Rodríguez, Saarela & Peterson & Valdés-Reyna, 2014

Saarela, Jeffery M., Peterson, Paul M. & Valdés-Reyna, Jesus, 2014, A taxonomic revision of Bromus (Poaceae: Pooideae: Bromeae) in México and Central America, Phytotaxa 185 (1), pp. 1-147 : 47-61

5b. Bromus carinatus var. marginatus (Nees) Barkworth & Anderton in Barkworth et al. (2006: 240). Figs. 15E–G , 18 , 19 .

Basionym: Bromus marginatus Nees in Steudel (1854: 322). Bromus hookeri var. marginatus (Nees) Fournier (1886: 127) . Forasaccus marginatus (Nees) Lunell (1915: 225) . Bromus sitchensis var. marginatus (Nees) Boivin (1967: 521) . Ceratochloa marginata (Nees ex Steud.) Weber in Weber et al. (1981: 325). Type:—Columbia River, Douglas s.n. (isotype US-865445! fragm.)

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Bromus breviaristatus Buckley (1862: 98) . Bromus marginatus var. brevaristatus (Buckley) Beetle (1984: 209) . Type:— Rocky Mountains , Nuttall s.n. (holotype PH-01065398!). There are multiple collections on the sheet; the holotype on the left side of the sheet has the barcode PH 00025202.

Bromus flodmanii Rydberg (1909: 538) . Type:— UNITED STATES OF AMERICA. Montana: Sheep Creek, 8 August 1896, Flodman 187 (holotype NY-346200!, isotypes NY-346221!, US-865490 fragm. ex NY).

Bromus marginatus var. latior Shear (1900: 55) . Bromus latior (Shear) Rydberg (1917: 89) . Type :— UNITED STATES OF AMERICA. Washington: Walla Walla Co., 29 June 1899, C.L. Shear 1615 (holotype US-81607 !, isotype NY-00346228!).

Bromus marginatus var. seminudus Shear (1900: 55) . Type :— UNITED STATES OF AMERICA. Oregon: Wallowa Co., on open mountain side 5 mi above Wallowa Lake, 23 August 1899, Washington, C.L. Shear 1811 (holotype US-81608 !) .

Awns 2–7 mm long.

Distribution:― Costa Rica (Alajuela, Cartago, San José), El Salvador (San Salvador, Santa Ana), Guatemala (Chimaltenango, El Quiché, Guatemala, Huehuetenango, Quezaltenango, Sacatepéquez, San Marcos, Solola, Totonicapán), Honduras (Ocotopeque), México (Aguascalientes, Baja California, Chiapas, Chihuahua, Coahuila, Distrito Federal, Durango, Guanajuato, Guerrero, Hidalgo, Jalisco, Estado de México, Michoácan, Morelos, Nayarit, Nuevo León, Oaxaca, Puebla, Queratero, San Luis Potosí, Sinaloa, Sonora, Tamaulipas, Tlaxcala, Veracruz and Zacatecas) ( Fig. 20 ).

Specimens Examined:― COSTA RICA. cultivado en el campo de experimentacion del Centro Nacional do Agricultura, 29 March 1933, n.c. ( US-1610580 ); Térraba , 23 January 1943, J . León 1118 ( US-2183498 ) . Alajuela: Cordillera Central, Volcán Poas, 12 km above Vara Blanca road, 10.2°N, 84.2°W, 29 September 1968, R. W . Pohl & G . Davidse 11173 (CR-47168, F-1733299, US-3096737 ); region of Zarcero, Palmera 10.1833°N, 84.4°W, September 1937, A . Smith A341 (F-922582) . Cartago: within 1 km radius of Sanitorio Duran, Volcán Irazu , [9.97°N, 83.85°W], 2300–2450 m, 16–17 September 1966, A. S . Weston, D. F . Weston & J . Weston 2349 ( US- 2921953 ); Cartago, road to Irasu , 9.9769°N, 83.8542°W, 2500 ft, 26 October 1950, E . Anderson 1336 ( MICH- 1119238 , US-2042172 ); near Hotel Robert, on upper slopes of Mt. Irazu , 9.9769°N, 83.8542°W, 8000 ft, 15 October 1960, F. W . Gould 9446 ( MICH-1119263 ) . San José: Cerro de la Muerte from hotel La Georgina to Cerro Frío , 9.5594°N, 83.7794°W, 3100–3400m, 20 September 1983, G . Davidse 25022 (CR-101679, MO, NY); near

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Santa Rosa , Sslope of Volcán de Irazu , [9.98°N, 83.85°W], 23 February 1924, P.C. Standley 35444 ( US-1215495 ). EL SALVADOR. Esesmiley, 14.43°N, 89.34°W, 9000 ft, April 1943, Watkins 8 ( US-2436988 ). San Salvador: El Picacho NE of El Boqueron, Volcán San Salvador , [13.74°N, 89.26°W], 1950 m, 1 March 1968, A . Molina R. & E. Montalvo 21822 ( GH, 2 sheets, F-1672238, NY). Santa Ana: Cordillera Miramundo, mountain of Montecristo, [14.47°N, 89.48°W], 2000–2220 m, 27–31 January 1966, A . MolinaR ., W.C. Burger & B . Wallenta 16822 (F- 1637212, NY, US-3055674 ); Montaña Montecristo, [14.41°N, 89.43°W], 2000 m, 22 May 1963, A . Molina R. & A. R. Molina 12546 (F-1619638, US-2523603 ); summit of Cerro Monte Cristo, juncture of Salvador, Honduras and Guatemala , [14.41°N, 89.43°W], 2418 m, 10 July 1971, R. W . Pohl 12573 (F-1841087, MO); Volcán Cerro Verde, [13.8271°N, 89.624°W], 1970 m, 8 June 1970, R. W . Pohl & G . Davidse 11846 (CR-68233, F-1837393, MO). GUATEMALA. Chimaltenango: 3 km Eof Chocoyos, 14.7°N, 91.05°W, 2100 m, 5 December 1963, L. O . Williams , A . Molina R. & T.P. Williams 25142 (F-1652129); Nof Patzicia , [14.7°N, 91.2°W], ca. 1800 m, 26 December 1938, P. C . Standley 60921 (F-983606, GH, NY). El Quiché: Nebaj, on Arroyo La Prea , [15.41°N, 91.14°W], 17 June 1964, E . Contreras 5033 ( GH, US-2486049 ). Guatemala: along old road to San Lucas, vicinity of San Rafael, 14.99°N, 91.89°W], 1800 m, 27 September 1972, A . Molina R. & A. R. Molina 27600 (F-1724806); Guatemala City, hills between Antigua , 14.6229°N, 90.5314°W, 1500 m, 1–3 December 1911, A. S . Hitchcock 9145 ( MICH-1119265 , US-1009550 ). Huehuetenango: between kms 100 and 107, vicinity of Campo de Bolas on way to El Mirador, Sierra Cuchumatanes , [15.42°N, 91.34°W], 2000 m, 12 September 1971, A . Molina R. & A.R. Molina 26378 (F-1740209); between Puente Negro and Los Alisos on way to Aguacatab , [15.31°N, 92.27°W], 1600 m, 16 September 1971, A . Molina R. & A.R. Molina 26543 (F-1740208); Cerro Cananá, between Nucapuxlac and Cananá, Sierra de los Cuchumatanes , [15.86°N, 91.46°W], 2500–2800 m, 18 July 1942, J. A . Steyermark 49015 (F-1201544, US-1935039 ); El Mirador, at the summit of the road leading from Huehuetenango to Sierra de los Cuchumatanes , [15.42°N, 91.34°W], ca. 3300 m, 31 December 1940, P. C . Standley 81857 (F-1203102); mountains Wof Aguacatán, on the road to Huehuetenango , [15.59°N, 91.68°W], ca. 1950 m, 27 December 1940, P. C . Standley 81305 (F-1200751, US-2436985 ); Sierra de los Cuchumatanes just below Calaveras , 15.5194°N, 91.5447°W, 3000 m, 29 November 1962, L. O . Williams , A . MolinaR ., T.P. Williams 21939 (F-1606490, US- 2465087 ) & 22019 (F-1606553); Sierra de los Cuchumatanes , above Chiantla , [15.36°N, 91.46°W], 1950–2550 m, 19 February 1939, P. C . Standley 65570 (F-977288); Sierra de los Cuchumatanes , between Paquix and San Juan Ixcoy, [15.62°N, 91.44°W], 3000–3350 m, 8 January 1971, A . MolinaR ., A.R. Molina & J.A. Molina 30080 (F- 1827339, MO); Sierra de los Cuchumatanes, between kms 136 to 150 of San Juan Ixcoy , [15.62°N, 91.44°W], 3000–3500 m, 12–23 January 1966, A . Molina R., W.C. Burger & B . Wallenta 16532 (F-1638079); vicinity of Táchique, Eof Huehuetenango , ca. 1900 m, [15.91°N, 91.34°W], 7 January 1941, P. C . Standley 82609 (F- 1202686, US-2436987 ). Quezaltenango: grown by Divisionof Genetics, Berkeley , 30 June 1944, H . Harlan s.n. ( US-1939769 ); Sof Quetazaltenango, [14.8333°N, 91.5167°W], 7 April 1932, Westherwax 1888 ( US-1610532 ); above Los Vahos , Cerro Quemado , [14.79°N, 91.52°W], 2900–3000 m, 5 February 1941, P. C . Standley 56147 (F- 1200792); above Los Vahos, Cerro Quemado , [14.79°N, 91.52°W], 2900–3000 m, 5 February 1941, P. C . Standley 86138 (F-1200764); Barranco Buenavista , Cuesta El Caracol, Sierra Madre Mountains , ca. 5 km NW of San Juan Ostuncalco , [14.87°N, 91.62°W], 2800–2900 m, 11 December 1962, L. O . Williams , A . MolinaR . & T.P. Williams 22819 (F-1606518, US-2465027 ); Cerro La Pedrera, Sof Quezaltenango , [14.82°N, 91.52°W], ca. 2400 m, 18 February 1939, P. C . Standley 65525 (F-986381); lower Nslope of Volcán de Santa María, above PaloJunoj , [14.76°N, 91.55°W], 2500–2700 m, 15 January 1941, P.C. Standley 83464 (F-1202704, US-2436986 ); mountains above Ostuncalco , [14.87°N, 91.62°W], ca. 3700 m, 22 February 1939, P. C . Standley 66402 (F-981534, US- 2436905 ); mountains above Río Samalá, Sierra Madre Mountains , 2 km Wof Zunil , [14.56°N, 91.62°W], 2300 m, 14 December 1962, L. O . Williams , A . MolinaR . & T.P. Williams 22992 (F-1606538, US-2465095 ); mountains above San Juan Ostuncalco, on road to Palestina , [14.87°N, 91.62°W], ca. 2700 m, 30 January 1941, P. C . Standley 85279 (F-1202265); near Cantel , [14.81°N, 91.45°W], 2250–2365 m, 18 January 1941, P. C . Standley 83851 (F- 1202257); SE of Palestina, on old road to San Juan Ostuncalco , [14.84°N, 91.52°W], 2550–2850 m, 21 January 1941, P. C . Standley 84334 (F-1202580); slope of Volcán de Santa María, above PaloJunoj , [14.76°N, 91.55°W], 2400–3768 m, 11 February 1939, P. C . Standley 65059 ( US-2436989 ); Volcán Zunil , [14.73°N, 91.45°W], 2500–3800 m, 22 January 1940, J. A . Steyermark 34683 (F-1051025); ravine below Fuentes Georginas, just above Zunil , [14.78°N, 91.49°W], 2500 m, 20 January 1940, J. A . Steyermark 24482 (F-1059346). Sacatepéquez: Volcán de Agua, above Santa María de Jesús , [14.45°N, 90.74°W], 2250–3000 m, 11 February 1939, P. C . Standley 65059 (F-988651); Volcán de Agua , Nof crater at km 17 on dirt road to summit from km 8 on Ruta Departamental No. 1

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Phytotaxa 185 (1) © 2014 Magnolia Press 49 just Nof Santa María de Jesús , 14.45°N, 90.7431°W, 2860 m, 7 October 1980, R. E . Gereau 768 ( MSC-261176 , NY); Volcán de Agua , 14.465°N, 90.7431°W, 5 December 1911, 2000–3500 m, A. S . Hitchcock 9124 ( US- 1009549 ). San Marcos: above Río Tacaná, near San Antonio , [14.42°N, 90.49°W], ca. 2700 m, 22 February 1939, P. C . Standley 66072 (F-984447); Aldea Ixcamal, Serchil , San Marcos, [15.03°N, 91.79°W], 3000 m, 27 August 1977, D. N . Smith , B . Olson & A . Squires 766 (F-2070833, F-1858164); Barranco Eminencia, road between San Marcos and San Rafael Pie de la Cuesta , in upper part of the barranco between Finca La Lucha and Buenavista, 2500–2700 m, 6 February 1941, P. C . Standley 86268 (F-1200770); near Aldea Fraternidad , between San Rafael Pie de la Cuesta and Palo Gordo, Wfacing slope of the Sierra Madre Mountains , [14.93°N, 91.82°W], 1800–2400 m, 10–18 December 1963, L.O. Williams , A . MolinaR . & T.P. Williams 25996 (F-1608958, NY, US-2461804 ); outer slopes of Tajumulco Volcáno, Sierra Madre Mountains ca. 8–10 km Wof San Marcos, 14.9653°N, 91.7958°W, ca. 2300 m, 31 December 1964 – 1 January 1965, L. O . Williams , A . MolinaR ., T.P. Williams , D. N . Gibson & C . Laskowski 26934 (F-1657998, US-2537608 ); Sierra Madre Mountains ca. 6 km (airline) Nof San Marcos, 14.9653°N, 91.7958°W, 2700 m, 13 December 1963, L. O Williams , A Molina R. & T.P. Williams 25885 (F- 1656825, NY, mixed sheet with B. dolichocarpus , US-2537628 ); Volcán Tajumulco, along road between San Sebastián at km 21 and km 8, 8– 18 mi NW of San Marcos, 15.0833°N, 91.8833°W, 2700–3800 m, 15 February 1940, J. A . Steyermark 35770 (F-1053535, US-2240535 ). Solola: 8000 ft, 20 [?] 1907, Mt. Etitlan [?], W. A . Kellerman 6261 ( US-1009551 ); Volcán San Pedro, N-facing slopes towards Lago de Atitlan , above village of San Pedro , [14.65°N, 91.27°W], 1800–3200 m, 7 June 1942, J. A . Steyermark 47205 (F-1201398, US-1935017 ); Mt. Atitlan , 14.5833°N, 91.1861°W, 8000 ft, 23 January 1907, A. S . Hitchcock 6261 (F-220758). Totonicapán: near Villa Las Cruces , ca. 8 km SW of Totonicapán, [14.91°N, 91.36°W], 2800 m, 13 December 1963, L. O . Williams , A . Molina R. & T.P. Williams 22957 (F-1606480). HONDURAS. Ocotepeque: El Portillo on Cordillera Merendon, 20 km from Nueva Ocotepeque , [14.49°N, 89.04°W], 1800 m, 28 August 1968, A . Molina R. 22311 (F-1676793, NY). MÉXICO. Aguascalientes: Mpio. Jesús María, Gracias a Dios , 21.93°N, 102.5°W, September 1991, J. A . de Santiago 114 ( MEXU). Baja California: 5 mi south of Campo Costa Rica , 2 mi Nof Arroyo Hondo, [31.89°N, 116.58°W], 23 April 1984, P. M . Peterson & C. R . Annable 2206 ( US); Arroyo Agua Caliente, [32.11°N, 116.39°W], 1 May 1981, O . Paulin & V . Morales 218 ( MEXU-1098059 ); Sierra San Pedro Mártir, bank of La Sanca Creek , ca. 5 mi NW of La Grulla , 31.69°N, 116.48°W, 2042 m, 17 September 1930, I. L . Wiggins & D. Demaree 4872 ( MO, US-2012336 ); Coronado Islands , N Island , Eslope , near N end, 32.4467°N, 117.2983°W, 50 m, 25 April 1977, R . Moran 23976 ( SD-97207 ); Ensenada, 31.8606°N, 116.6178°W, 7 April 1882, Fish s.n. (RSA- POM-114934); Guadaloupe Ranch , 32.5°N, 116.6°W, 6 April 1886, C. R . Orcutt s.n. ( US-1009471 ); in canyon draining Santa Catarina Spring, Santa Catarina , 64 mi SE of Ensenada, 31.6167°N, 115.8°W, 1128 m, 20 May 1961, R. E . Broder 416 ( US-2523592 ); just below upper end of road from San José ( Melling ) Ranch and oak pasture below Prado del Corona in central Sierra San Pedro Mártir , [30.75°N, 115.5167°W], 7200 ft, 6 October 1962, J . D. Olmsted 4750 ( RSA-POM-170825 ); San Martín Island , lava rock Wof Hassler Cove, 30.4833°N, 116.1083°W, 25 m, 11 April 1963, R . Moran 10547 ( US-2545383 ); Nachoguero Valley , 32.55°N, 116.35°W, 4 June 1894, L . Schoenfeldt 3444 ( US-236112 ); Nachoguero Valley , 32.55°N, 116.35°W, 5 June 1894, E. A . Mearns 3481 ( US-238577 ); Parque Nacional Sierra San Pedro Matir, 62 mi SE of Hwy. 1 on road towards Villecentos , 31.0332°N, 115.34°W, 2490 m, 24 September 2000, P. M . Peterson & J . Cayouette 15204 ( CAN, US); San Julio Cañon, 29.65°N, 114.7667°W, 20 April 1889, T. S . Brandegee 17 ( US-1009476 ); San Quintín , 30.4833°N, 115.95°W, 5 April 1936, C . Epling & W . Stewart 551 ( US-1721904 ); Sierra Juárez, just Nof Valle Redondo , 32.1167°N, 115.9583°W, 1675 m, 24 May 1992, R . Moran 31084 ( RSA-POM-609295 , SD-133872 ); Sierra San Pedro Mártir , "Corral Meadow", 7.5 km NW of the observatory, [31.1125°N, 115.44°W], 2520 m, 16 June 1988, A. C . Sanders , R . Minnich , E . Franco & M . Salazar 7915 ( RSA-POM-494922 ); Sierra San Pedro Mártir , 30.95°N, 115.6°W, 1675 m, 29 July 1970, R . Moran 1970 ( SD-127298 ); Sierra San Pedro Mártir, above Observatory living quarters, 31.0333°N, 115.4542°W, 2600 m, 7 May 1986, R. F . Thorne , T. S . Elias & P . Rojas 61969 ( RSA-POM- 353945 ); Sierra San Pedro Mártir, La Encantada , 30.9167°N, 115.4°W, 2200 m, 19 August 1967, R . Moran & R. F . Thorne 14327 ( RSA-POM-222139 , SD-76640 ); Sierra San Pedro Mártir, La Víbora , Arroyo la Grulla 4 km SW of La Grulla, 30.8667°N, 115.5083°W, 1900 m, 9 August 1977, R . Moran 2442 ( SD-97751 ); Todos Santos Bay , 31.7667°N, 116.6167°W, 1882, F. E . Fish s.n. ( US-1009474 ). Chiapas: 3 km NW of Pueblo Nuevo Solistahuacan , 17.07°N, 92.86°W, 5800 ft, 10 October 1971, R. F . Thorne & E . Lathrop 46500 ( RSA-POM-284903 ); 7 km N of Teopisca , 16.59°N, 92.4833°W, 7 October 1968, F. W . Gould 12740 ( MO, US-3010562 ); along road between

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Palenque and San Cristóbal de las Casas, 30 mi Wof Ococingo, 20.4 m Eof Hwy. 190 junction, 2130 m, 7 June 1987, T. B . Croat 66144 ( ANSM, MO); Amatenango del Valle, 16.52°N, 92.42°W, 12 June 1945, 1835 m, E . Matuda 15888 (F-1273278, F-13330880); ca. 15 mi SE of Teopisca, 16.44°N, 92.27°W, 2330 m, 21 August 1953, J. R . Reeder & C. G . Reeder 2044 ( US-2473565 ); in Piedracitas, 16.75°N, 92.7°W, 2347 m, 30 July 1964, D. E . Breedlove 6737 ( DS, US-3039282 ); Mpio. Amatenango del Valle, Amatenango del Valle, 16.5167°N, 92.45°W, 1768 m, 7 July 1966, D. E . Breedlove 14462 ( DS, F-1823667, US-3116100 ); Mpio. Amatenango del Valle, Amatenango del Valle, 16.52°N, 92.42°W, 7 July 1966, D. E . Breedlove 14452 ( MICH-1119245 ); Mpio. Chamula, near school house of Yal Ichin, 16.8°N, 92.64°W, 6000 ft, 24 June 1965, D. E . Breedlove 10472 ( DS, MICH- 1119254 , US-3007633 ); Mpio. San Andrés Larrainzar, near the summit of Chuchil Ton, NE of Bochil, 16.99°N, 92.89°W, 2700 m, 3 August 1972, D. E . Breedlove 26792 ( DS, MICH-1119275 , MO, RSA-POM-276448 ); Mpio. San Cristóbal las Casas, Nedge of city of San Cristóbal las Casas, 16.75°N, 92.6333°W, 2164 m, 18 June 1965, D.E. Breedlove 10417 ( DS, US-3007649 ); Mpio. San Cristóbal las Casas , sitio in San Cristóbal las Casas, 16.75°N, 92.6333°W, 2164 m, 20 September 1965, D. E . Breedlove 12312 ( DS, US-2999872 ); Mpio. Tenejapa , at Moel Ch'en above Tenejapa Center along trail to Kulak-tik, [16.81°N, 92.51°W], 7500 ft, 13 July 1965, D. E . Breedlove 10942 ( DS, MICH-1119256 ); Mpio. Tenejapa, on the NE side of the hill called Matsab , paraje of Matsab, 16.85°N, 92.45°W, 2804 m, 25 August 1966, D. E . Breedlove 15291 ( DS, US-3005129 ); Mpio. Tenejapa, Paraje Shohleh, 16.86°N, 92.49°W, 2560 m, 12 January 1966, A. S . Ton 546 (F-1670291, MICH-1119252 , US-3005103 ); Mpio. Tenejapa, Tenejapa Center, [16.81°N, 92.51°W], 11 July 1965, D. E . Breedlove 10770 ( MICH-1119257 , DS); Mt. Pasitar, 6 January 1937, 15.4333°N, 92.4333°W, E . Matuda 317 ( MICH-1119181 , US-1722005 ); Siltepec, 15.55°N, 92.3333°W, 8 August 1937, E . Matuda 1711 ( GH, MICH-1119183 , MO, NY, US-1721980 ). Chihuahua : 24.7 mi Nof San Juanito on road towards Cuauhtémoc, 28.2636°N, 107.4931°W, 2233 m, 5 September 2008, P. M . Peterson & J. M . Saarela 22033 ( CAN, US); 6 km WNW of Ocampo on road to baseball field, 6000 ft, 25 June 1987, T. R & R. K . Van Devender & P.S. Martín 87-212 ( ANSM); Cerro Mohinora , 10 mi Sof Guadalupe y Calvo, 26.1°N, 107.06°W, 2300–2500 m, 13 August 1960, R. M . Straw & M . Forman 2034 ( MICH-1119134 , RSA-POM- 178217 , mixed sheet with B. carinatus var. carinatus ); Chuchiuchupa, [29.62°N, 108.4°W], Aug–September 1936, H . LeSueur Mex-110 ( GH, MEXU-5580 , MO); Cusárare (Tarahumara village), 27.6167°N, 107.5333°W, 1 November 1995, A. M . Rea 2000 ( SD-174916 ); Cusárare, 27.6167°N, 107.5333°W, s.d., A. M . Rea s.n. ( SD- 174915 ); Eslope of Sierra Mohinora , 26.1°N, 107.0667°W, 8500–9000 ft, 17 October 1959, D.S. Correll & H. S . Gentry 23203 ( GH, US-2378623 ); Jiménez, 27.12°N, 104.91°W, 1340 m, 31 July 1939, L. H . Harvey 1359 ( MICH- 1119266 ); km 60 carretera Balleza-Guachochic, [27.07°N, 106.65°W], 2100 m, 23 September 1981, R . Fierros 1607 ( MEXU); Largo Canyon, 29.68°N, 108.28°W, 7000 ft, 16 September 1903, M. E . Jones s.n. ( RSA-POM- 115041 ); Menelichic, Río Mayo , 7500 ft, 18 September 1936, H. S . Gentry 2789 ( GH, F-864591, MEXU, MO); Mpio. Batopilas , Quirare on N rim of Barranca de Batopilas , 27.03°N, 107.74°W, 1981 m, 2 October 1972, R. A . Bye 2816 ( MICH-1119191 ); Mpio. Bocoyna, Ejido San Ignacio Arareco, Eof Creel, [27.73°N, 107.62°W], 7300 ft, 19 October 1973, R. A . Bye 5478 ( MEXU-696581 ); Mpio. Bocoyna, Sof San Ignacio Arareco, [27.73°N, 107.61°W], 2225 m, 19 July 1972, R. A . Bye 2388-n ( GH); Mpio. Bocoyna, Cusárare, Sof Creel, 27.6167°N, 107.5333°W, 1 September 1973, R. A . Bye 4856 (CAN-499790, GH, MEXU-839117 ); Mpio. Bocoyna , Cusárare, S of Creel-Guachochi road vado of Arroyo Cusarare, 27.6167°N, 107.5333°W, 2100 m, 11 August 1972, R. A . Bye 2736 ( GH, MICH-1119192 ); Mpio. Madera , Laguna de Babícora , alrededores de Nicolás Bravo , [29.0556°N, 106.8611°W], 2150 m, Quintana, Lebgue & E. Estrada 3119 ( NY); Mpio. Madera, Mesa del Huracán, [29.6728°N, 108.2531°W], 28 October 1977, J. M . Peña Neira 811 ( ANSM); near Cumbre Mohinora, Sierra Mohinora, 25.9594°N, 107.05°W, 3250 m, 13 September 2006, P. M . Peterson, F . Sánchez Alvarado & E. P . Gómez Ruíz 20036 ( CAN, US); near Mirador de Cascada de Basaseachic, 28.1647°N, 108.2°W, 2022 m, 7 September 2008, P. M . Peterson & J. M . Saarela 22084 ( CAN, US); Rancho La Ciénega, Ejido El Largo, [26.5167°N, 105.3667°W], 2500 m, 31 August 1990, O. B . Bolanos 1399 ( ANSM, MEXU-583609 ); Rosetilla , a 50 km carretera Chihuahua- Ojinaga, [29.36°N, 104.91°W], 1250 m, 24 July 1978, Rodríguez , Molinar & Baray 23 ( MEXU-1110823 ); Sánchez, 2438 m, 12 October 1910, 27.7333°N, 107.6833°W, A. S . Hitchcock 7704 ( US-1009547 ), 7718 ( US- 1009546 ) & 7719 ( US-1009545 ); Sierra Madre Occidental, 12.1 mi Wof San Juanito on road towards Baquiriachic, 27.9567°N, 107.76°W, 2530 m, 5 October 2000, P. M . Peterson & J . Cayouette 15357 ( US); Sierra Madre Occidental, 2.3 mi Wof San Juanito on road towards Baquiriachic, 27.9815°N, 107.63°W, 2590 m, 5 October 2000, P. M . Peterson & J . Cayouette 15359 ( CAN, MO, US); Sierra Madre Occidental , 7 mi NE of San Rafael on road towards Creel, at Divisidero lookout, [27.81°N, 107.63°W], 5 September 2008, P. M . Peterson & J. M . Saarela 22042 ( CAN, US); Sierra Madre Occidental , at Cuesta Preta , along road from San Juanito to Creel ,

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3.1 mi Sof San Juanito , [27.9267°N, 105.5908°W], 2286 m, 22 September 1992, K. W . Allred 5791, T . Columbus & J . Valdés-Reyna ( ANSM); Sierra Madre Occidental , Wof Casas Grandes , 5 mi Sof Hernández, 29.97°N, 108.2667°W, 2134 m, 18 September 1960, J. R . Reeder, C. G . Reeder & T. R . Soderstrom 3519 ( US-2473564 ); Sierra Madre, 3 October 1887, C. G . Pringle 1173 ( MEXU-5880 ); Soldier Canyon [Arroyo Soldado], 16 September 1903, [30.0667°N, 108.2333°W], 6600 ft [2012 m], M. E . Jones s.n. ( RSA-POM-112247 ); Wslopes of Sierra Mohinora, 25.9703°N, 107.05°W, 3008 m, 13 September 2006, P.M. Peterson, F . Sánchez Alvarado & E. P . Gómez Ruíz 20054 ( CAN, US); Yamuco at 1 km Eof highway towards Basihuare and Creel, Nof Río Urique crossing, 27.4004°N, 107.49°W, 1891 m, 26 August 2003, P. M . Peterson, P . Catalán 17543 ( US); Yamuco, 1 mi Eof highway Nof Río Urique , crossing towards Basihuare and Creel, 27.3998°N, 107.489°W, 1890 m, 6 September 2008, P. M . Peterson & J. M . Saarela 22066 ( CAN, US); Sierra de los Órganos, 28.25°N, 104.75°W, 9 August 1937, H . LeSueur 211 ( GH, mixed sheet with B. frondosus ) ; 1.1 km Nof San Juanito near large lumber mill, 2200 m, 24 September 1988, P. M . Peterson & C. R . Annable 5869 ( US);. Bocoyna, Entronque carretera Creel, entrada Bocoyna, ladera S Rancho Cima, Rancho de Lucía, 10 September 2003, R . Bye, M . Mendoza , G . Morales, J . Rodríguez & M. Hilerio 31882 ( US-3589154 ); de la Cienega, camino Norogachi, 27.2117°N, 107.052°W, 2245 m, R . Bye, M . Mendoza , G . Morales, J . Rodríguez & M. Hilerio 29476 ( US-3587693 ). Coahuila : 1 mi SE of San Antonio de las Alazanas ( SE of Saltillo ), [25.26°N, 100.55°W], 19 July 1963, F. W . Gould & D. Watson 10514 ( MICH-1119190 ) ; 10 mi Eof San Antonio ( SE of Saltillo ), [25.53°N, 102.18°W], 4 September 1965, F. W . Gould 11532 ( MICH-119197 ) ; 21 km SE of Saltillo on Hwy. 57 towards Matehuala, 25.247°N, 100.9061°W, 2460 m, 19 September 2001, P. M . Peterson & J . Valdés-Reyna 15807 ( CAN, US); Buenos Aires , [25.3167°N, 100.55°W], 17 August 1948, Kenoyer & Crum 2743 ( GH, MICH-1119201 ); ca . 12 km SE of San Antonio de las Alazanas ( SE of Saltillo ), [25.26°N, 100.55°W], 20 July 1963, F. W . Gould & D. Watson 10522 ( MICH-1119198 ); campus of La Escuela Superior de Agricultura , Buenavista, ca . 5 mi SE of Saltillo , [26.55°N, 101.267°W], 18 June 1952, F. W . Gould 6381 ( ANSM, MICH- 1119206 , mixed sheet with B. catharticus , RSA-POM-108377 ); Cañón de San Lorenzo , 25.3167°N, 100.9167°W, 1980 m, 15 May 1978, L . Arce G . s.n. ( ANSM); Diamante , 14 mi Sof Saltillo , [25.39°N, 100.99°W], 2 July 1947, F. A . Barkley, G. L . Webster & C. M . Rowell, Jr. 7234 (F-1500313); El Coahuilón, Sierra de la Maria ( Arteaga ), 25.2367°N, 101.4236°W, J. A . Villarreal, M. A . Carranza & M . Vázquez 3859 ( ANSM); in valley 15 km Wof Concepcion del Oro just within Coahuila border, 24.9°N, 103.7°W, 2300 m, 22 July 1941, L. R . Stanford, K. L . Retherford & R . D. Northcraft 556 ( GH, MO, NY, US-1815822 ); Maderas del Carmen , 0.5 mi from Campo Uno, up the road towards the summit, 28.9962°N, 102.6113°W, 2355 m, 22 September 2007, P. M . Peterson, J. M . Saarela, S . Lara Contreras & J . Reyna Álvarez 21019 ( CAN, US); Maderas del Carmen , 12.0 mi NE of Los Pilares , 28.9378°N, 102.6025°W, 2271 m, 21 September 2007, P. M . Peterson, J. M . Saarela, S . Lara Contreras & J . Reyna Álvarez 20956 ( CAN, MO, US); Maderas del Carmen , 12.2 mi NW of Pilares near "old cabin", 28.9401°N, 102.5978°W, 2300 m, 7 September 2005, P. M . Peterson & J . Valdés-Reyna 18885 ( CAN, MO, US); Maderas del Carmen , 13.5 mi NE of Los Pilares , 28.9497°N, 102.5859°W, 2309 m, 21 September 2007, P. M . Peterson, J. M . Saarela, S . Lara Contreras & J . Reyna Álvarez 20971 ( CAN, US); Maderas del Carmen , 16.3 mi NE of Los Pilares on road towards Campo Dos , 28.9626°N, 102.5643°W, 2235 m, 21 September 2007, P. M . Peterson, J. M . Saarela, S . Lara Contreras & J . Reyna Álvarez 20986 ( CAN, US); Maderas del Carmen , canyon above Campo El Dos, 28.9899°N, 102.61°W, 2280 m, 8 September 2005, P. M . Peterson & J . Valdés-Reyna 18909 ( US); Mpio. Arteaga, Sierra de las Alazenas al Noroeste del Ejido Mesa de las Tablas, 25.2722°N, 100.1667°W, 2527 m, 15 September 2001, J. A . Encina 825, S . Cruz J. & E . López V. ( ASNM); Sierra El Pino , 40.3 km Wof Rancho El Cimarron , 2000 m, 14 September 1991, P. M . Peterson & C. R . Annable 10666 ( US); Sierra El Pino , 39.5 km Wof Rancho El Cimarron , 15 September 1991, P. M . Peterson & C. R . Annable 10675 ( US); Madera del Carmen , 13.3 mi NW of Pilares , 28.9494°N, 102.5858°W, 2301 m, 15 September 2012, P. M . Peterson & K . Romaschenko 24494 ( US); Madera del Carmen , between Campo Cinco and Campo Dos, 28.9767°N, 102.6153°W, 2456 m, 15 September 2012, P. M . Peterson & K . Romaschenko 24506 ( US) & 24507 ( US); Madera del Carmen , 28.9958°N, 102.6114°W, 2374 m, 16 September 2012, P. M . Peterson & K . Romaschenko 24517 ( US); Madera del Carmen , at Campo Dos, 29.0106°N, 102.6083°W, 2627 m, 16 September 2012, P. M . Peterson & K . Romaschenko 24530 ( US); Mpio. Arteaga, Sierra del Coahuilón , 25.2444°N, 100.3111°W, 3425 m, 22 September 2000, J. A . Encina 878, B . Braham, S. E . López V. & A . Càrdenas ( ANSM); Mpio. Arteaga , Predio El Cristal, 25.5083°N, 100.7778°W, 2100 m, 21 June 1994, E . Pérez 59 ( MEXU-1098032 ); N Coahuila, Mesa Grande, high mesas 40 km NW of Hacienda de la Encantada , 28.9°N, 102.58°W, 14 September 1941, R. M . Stewart 1633 ( GH, US-2436908 ); road towards El Renacer de la Sierra and 36.5 mi Eof Arteaga , 25.2206°N, 100.3896°W, 2821 m, 27 September 2001, P. M . Peterson & J . Valdés-Reyna 15951 ( ANSM, CAN, US); Saltillo , 25.4167°N, 101°W, 10–14 July 1910, A. S .

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Phytotaxa 185 (1) © 2014 Magnolia Press 53

Hitchcock 5584 (US-1009538) & 5594 ( US-1009537 ); Saltillo , 25.4167°N, 101°W, 15–30 April 1898, E . Palmer 5 ( GH, MO, NY, US-1009536 ); Saltillo , 25.4167°N, 101°W, 1600 m, 1909, Br. Nil & G . Arséne 3466 ( MO, US- 1002627 ); Saltillo , 25.4167°N, 101°W, 1650 m, March 1908, Br. Nil & G . Arséne 12/3468 ( US-1002625 ); Saltillo , 25.4167°N, 101°W, June 1898, E . Palmer 266 (F-95905, GH, MO, NY, US-1009535 ); Saltillo , 25.4167°N, 101°W, March 1909, G . Arséne & Br. Nicolás 88/3466 ( US-1009539 ); Saltillo , 25.4167°N, 101°W, March 1909, G . Arséne s.n. (F-386772); Saltillo , 25.4167°N, 101°W, May–June 1908, 1650 m, G . Arséne & Bro. Nil 3468 ( GH, MO, NY); Santa Rosa Mts. , [25.37°N, 100.94°W], 25 July 1938, E. G . Marsh, Jr. 1439 (F-1254622, GH); SE of San Antonio de Las Alazanas and SE of Saltillo at end of road near summit of Coahuilón, [25.26°N, 100.54°W], 3120 m, 17 October 1989, P. M . Peterson, J . Valdés-Reyna & J. A . Villarreal 08392, 08397 ( CAN, US); Sierra del Carmen, Mesa Bonita , 2600 m, 7 December 1997, S . Wood, D. Doan-Crider & G . Harper s.n. ( ANSM); Sierra El Jardín, 29.0832°N, 102.64°W, 2100 m, 3 September 2006, P. M . Peterson & S . Lara-Contreras 19940 ( US); Sierra la Viga , 6 km al de Jamé, Puerto Maravillas, 25.3667°N, 100.9553°W, 3000–3150 m, 16 September 1989, J. A . Villarreal, P . Hooge, J . Valdés-Reyna & M . Barkworth 1978 ( ANSM); Sierra Maderas del Carmen , at Campo El Tres, an abandoned logging camp in the high country, 29°N, 102.6°W, 2500 m, 6 August 1974, T . Wendt & A . Adamcewicz 511 ( ANSM); Sierra Maderas del Carmen, streamside habitat in oak-conifer forest about 0.2 mi SE of central cabin of Campo Dos , 28.9939°N, 102.6197°W, 2270 m, 9 August 2004, D. Riskind, J . Henrickson & J . Valdés 2978 ( ANSM); Sierra Zapalinamé , Eof Saltillo, 25.3468°N, 100.9016°W, 2700 m, 2 September 2005, P. M . Peterson & J . Valdés-Reyna 18785 ( CAN, US); Sierra Zapalinamé , Eof Saltillo, grassy ridgetop "El Penitente", 25.3468°N, 100.9016°W, 3070 m, 2 September 2005, P. M . Peterson & J . Valdés-Reyna 18792 ( CAN, MO, US) & 18794 ( CAN, MO, US); de Saltillo a Los Lirios, San Francisco , 25.3939°N, 100.5539°W, 2270 m, 16 October 2007, F. O . Zuloaga, N. B . Deginani & J . Valdés-Reyna 9739 ( ANSM); Las Vigas, Cañón de Jamé, Sierra de Arteaga , 25.3333°N, 100.65°W, 2600–3300 m, 15 September 1980, J. A . Villarreal & M. A . Carranza 4624 ( ANSM) & 4629 ( ANSM); Sierra Hermosa , hacia el Wrumbo al Cañón del Carbón , 25.3167°N, 100.9689°W, 2270 m, 8 August 1979, R. López A . s.n. ( ANSM). Distrito Federal: San Angel , Valley of México, [19.42°N, 99.13°W], 12 August 1910, C. R . Orcutt 6342 ( MEXU, MICH-1119233 , NY, RSA-POM-531585 , US-1266998 ); 2 km al Ede Xochimilco , [19.26°N, 99.11°W], 25 April 1965, 2250 m, J . Rzedowski 19730 (F-1692573, RSA-POM-209184 ); 9000 ft, 2 August 1947, F. A . Barkley, C. M . Rowell, Jr. & G. L . Webster 2433 (F-1405553); Ajusco, [19.2075°N, 99.2581°W], 19 August 1910, C. R . Orcutt 3722 ( GH, MICH-1119240 , MO, NY, US-1009503 ); ca. 20 mi Eof México City , 19.4342°N, 98.8306°W, 9 September 1965, F. W . Gould 11612 ( MICH-1119196 , US-2551510 ); camino de San Francisco Tlanepantla hacia el volcán Cuautzin, Delegación Xochimilco , [19.26°N, 99.11°W], 2860 m, 11 October 1985, A . Miranda & P . Guerrero 89 ( MEXU-1110786 ) & 73 ( MEXU-1110785 ); Chales region , 19.2667°N, 98.9°W, 4 October 1921, G. N . Collins s.n. ( US-1125328 ); Chapultepec Park, 19.4167°N, 99.1833°W, 11 July 1960, W. T . Gillis 3729 ( US-2382411 ); Coyohuacan, 19.3289°N, 99.1603°W, 1947, B. P . Reko s.n. ( US- 1911679 ); Estacionamiento Museo Universum, [19.42°N, 99.13°W], 2300 m, 23 December 1998, J . Anicua 403 ( MEXU); Guadalupe, [19.37°N, 99.11°W], 29 June 1926, M . St. Pierre 271 ( MICH-1119248 , US-1537817 ); México, [19.37°N, 99.11°W], 7000 ft, 20 July 1891, H. E . Seaton s.n. (F-266401, GH); Mixcoac , [19.44°N, 99.12°W], 5 September 1929, M . St. Pierre 841 ( MICH-1119258 ); Mixcoac, El Olivar, [19.44°N, 99.12°W], 2300 m, 7 April 1913, G . Arséne 8869 (F-485052, GH, MO, NY, US-1001917 ); Mixcoac, Narvarte , 19.3833°N, 99.1833°W, 2250 m, 5 August 1929, M . St. Pierre 841 ( US-1537815 ) & 844 ( US-1537816 ); near San Angel, Valley of México, 19.3733°N, 99.225°W, 15 August 1905, J. N . Rose, J. H . Painter & J. S . Rose 9481 ( US-452971 ); outskirts of México City, [19.43°N, 99.02°W], 3 August 1950, J. R . Reeder, C. G . Reeder & L. N . Goodding 1598 ( RSA-POM-253261 , US); Periférico Sur, cerca del Iman, [19.31°N, 99.17°W], July 1980, L . Rico & C. H . Ramos s.n. ( RSA-POM-506083 , RSA-POM-506084 ); San Estebán, Tacuba, 19.4°N, 99.15°W, September 1909, L. G . Ruíz 6 (F-293480, US-1490098 ); San Gregorio, Vallede México, 19.7272°N, 99.4683°W, 2200 m, 1 April 1951, E . Matuda 21017 ( US-2043374 ); Santa Cruz, 19.19°N, 99.14°W, 5 September 1929, M . St. Pierre 844 ( MICH- 1119260 ); SE slope of Cerro Pelado, 1–2 km Nand NW of LaCima R. R . station, [19.15°N, 99.22°W], 3050–3300 m, 14 August 1960, H. H . Iltis, R . Koeppen & F . Iltis 918b ( MICH-1119251 ); Tacubaya, Dolores, 19.4°N, 99.2°W, 2400 m, 9 July 1930, M . St. Pierre 873 ( MICH-1119250 , US-1537818 ); Temascaltepec Dist. , Tequesquipan, 19.0578°N, 99.9506°W, 2480 m, 18 August 1932, G. B . Hinton 1337 ( US-1867828 ); Tlalpan, 19.1883°N, 99.2219°W, 16 August 1910, C. R . Orcutt 6615 ( US-1267067 ); Valle de México, Cerro de Progreso , 19.5167°N, 99.15°W, 2700 m, 30 September 1950, E . Matuda 19732 ( US-2040949 ); Vallede México, Cuajimalpa a Río Hondo , 19.3558°N, 99.3011°W, 2400 m, 9 September 1951, E . Matuda 21816 ( US-2041609 ); Vallede México, 19.4°N, 99.15°W, 2225 m, 9 May 1901, C. G . Pringle 9601 (F-120602, GH, MO, US-1009509 ); Venda de Carpin ,

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Colline, 19.6167°N, 99°W, 2350 m, 16 July 1930, M. St. Pierre 880 ( MICH-1119249 , US-1537814 ); vicinity of México, Azcapotzalco , 19.4889°N, 99.1836°W , 27–30 July 1910, A. S. Hitchcock 5921 ( US-1009505 ); vicinity of México, Pedregal , 19.3°N, 99.18°W , 27–30 July 1910, A. S. Hitchcock 5949 ( US-1009502 ); vicinity of México, Xochimilco , 19.2622°N, 99.1075°W , 27–30 July 1910, A. S. Hitchcock 5872 ( US-1009504 ); W de Tlahuac , en zona de chinampas, [19.27°N, 99.01°W] , 2250 m, 21 August 1966, M. Villegas D. 563 ( MSC-223081 ); Xochimilcho , [19.26°N, 99.11°W] , 11 July 1947, W. D. Barkley, C. M. Rowell & F. A. Barkely 17 M343 (F-1499759); Xochimilcho , [19.26°N, 99.11°W] , 25 April 1965, 2240 m, C. Vázquez s.n. ( MICH-1119194 ). Durango: 0.8 mi Sof Fancisco I. Madero and 2.3 mi Nof Canoas, 22.6482°N, 104.2895°W , 2720 m, 2 October 2001, P. M. Peterson & M. S. González-Elizondo 16031 ( CAN, MO, US); 18.4 mi Sof Mezquital on road towards Cuesta Blanca , 23.3475°N, 104.3331°W , 2382 m, 7 September 2006, P. M. Peterson & F. Sánchez Alvarado 19977 ( CAN, US); 2 km al Nde Súchil (ojo de agua, entre los potreros La Reserva y Grande ), [23.6414°N, 103.9328°W] , 25 July 1984, S. González-Elizondo 2866 ( ANSM); 2 mi Nof Tepehuana on road towards Mezquita , 23.3089°N, 104.3457°W , 2522 m, 11 September 2003, P. M. Peterson & F. Sánchez-Alvarado 17738 ( MO, NY, RSA-POM-725677 , US); 2 mi Sof Fancisco I. Madero and 1.2 mi Nof Canoas , 22.6322°N, 104.2926°W , 2700 m, 1 October 2001, P. M. Peterson & M. S. González-Elizondo 16013 ( CAN, MO, US); 23 mi Nof Hwy. 40 turnoff on road towards San Luis de Villa Corona , 24.0727°N, 105.4898°W , 2194 m, 29 September 2008, P. M. Peterson & J. M. Saarela 22431 ( CAN, US); 3 mi Sof Guachichiles, upper slopes of Cerro Huehento , 24.0786°N, 105.7433°W , 3078 m, 30 September 2008, P. M. Peterson & J. M. Saarela 22449 ( CAN, US); 3.2 mi south of La Peña on road towards La Puerta, 23.5561°N, 105.3666°W , 2760 m, 15 September 2003, P. M. Peterson, S. González-Elizondo & G. A. Teña-González 17788 ( US); 40.3 mi Wof Huejuquilla towards Canoas , 22.6324°N, 104.2204°W , 2430 m, 30 September 2001, P. M. Peterson & M. S. González-Elizondo 16006 ( CAN, MO, US); 52 km Wof Durango on Hwy. 40 towards El Salto , 23.9149°N, 104.982°W , 2531 m, 28 September 2008, P. M. Peterson & J. M. Saarela 22400 ( CAN, US); 56 km W of Durango on Hwy. 40 towards El Salto , 23.9127°N, 105.0194°W , 2450 m, 6 October 2002, P. M. Peterson & L. E. Brothers 16961 ( CAN, MO, P-03216915 , US); Arroyo La Sidia Crosing , 1 mi above El Madroño, 24.4796°N, 105.7889°W , 2250 m, 8 October 2002, P. M. Peterson & L. E. Brothers 17007 ( CAN, MO, US); ca. 6 mi Nof Navios , 23.9°N, 105.1667°W , 8400 ft [2560 m], 12 October 1966, J. R. Reeder & C. G. Reeder 4682 ( MSC-231765 , US-2982195 ); Cerro Chupadero, 45 mi Sof El Salto, and just Wof Pueblo Nuevo , [23.17°N, 105.41°W] , 2000–2500 m, 28 July 1955, J. H. Maysilles 8245 ( MICH-1119268 ); Durango and vicinity 24.0333°N, 104.6667°W , April–November 1896, E. Palmer 734 ( GH, MO); Durango , 24.0333°N, 104.6667°W , 1890 m, 6–8 October 1910, A. S. Hitchcock 7569 ( US-1009541 ); Durango , 24.0333°N, 104.6667°W , 6200 ft, 23 July 1944, G. L. Fisher 44201 ( GH, NY); Durango , 24.0333°N, 104.6667°W , April–November 1896, E. Palmer 171 (F-51284, F- 176473, GH, MICH-1119174 , MO, NY); Ejido las Mercedes, Cuencamé , camp experimental de Zonas Aridas, 24.8667°N, 100.2167°W , 19 km al Nde Cuencamé, carretera 40 Durango-Torreón , 1435 m, 8 May 1992, A. Rdz. G. 1519, J. A. Villarreal & M. A. Carranza P. ( ANSM); El Soldado, [23.93°N, 104.94°W] , August 1987, J. G. Andrade C. 143 ( MEXU-1110856 ); km 7 Ciudad Durango-Mazatlán , 24.93°N, 104.76°W , 1900 m, 4 November 1954, E. Hernández X. & C. Tapia J. N-615 ( GH); Mpio. de Súchil, La Mesa del Burro , rancho de La Peña, [23.3969°N, 104.2389°W] , 18 September 1985, Y. Herrera A. 722 ( ANSM, MEXU-447122 , NY); Mpio. Durango, 13 km al E Cd. de Durango, Rancho El Duranguito, 24.0028°N, 104.5625°W , 1900 m, August 1995, D. E. Aceval A. 585 ( MEXU-1063458 ); Mpio. Durango, Ejido Llano Grande , frente al Cerro de la Carpa, 23.8431°N, 105.2055°W , 18 July 2001, R. Carrillo 81 ( ANSM, MEXU-1057493 ); Mpio. Durango, Predio "Presitas", 24.0875°N, 105.2981°W , 2500 m, July 1999, D. E. Aceval 760 ( MEXU); Mpio. Nombre de Dios, 1 km al Ndel puente del rio de Nombre de Dios , 23.85°N, 104.24°W , 203 m, 16 October 1984, R. Jimenez 203 ( RSA-POM-356388 ); Mpio. Pueblo Nuevo, Cruz de Piedra , [23.87°N, 105.25°W] , September 1988, E. Aceval 264 ( MEXU-1110780 ); Mpio. Pueblo Nuevo, km 115, carretera Durango a Mazatlán , 23.7472°N, 105.45°W , 2700 m, October 1999, D. Aceval 772 ( MEXU- 1063620 ); Mpio. Súchil , El Temascal, [24.5°N, 103.83°W] , 31 July 1984, S. González 2898 ( ANSM, MEXU- 955087 ); Mpio. Súchil, Laguna de la vaca, cerca del casco del Rancho El Temascal, [24.5°N, 103.83°W] , 15 July 1985, Y. Herrera A. 658 ( MEXU-117268 , NY); Mpio. Súchil, Mesa del Burro , 6 km al SW de Piedra Herrada, [23.62°N, 103.93°W] , 2650 m, 16 September 1982, Y. Herrera A. 236 ( MEXU-819383 , NY); Nslopes of Cerro Huehuento Sof Huachicheles ca. 75 mi Wof central Durango, [24.06°N, 105.76°W] , 2900–3150 m, 2 July 1950, J. H. Maysilles 7301 ( MICH-1119269 ); near Minas , 25.231°N, 105.13°W , 2580 m, 3 October 2002, P. M. Peterson, M. S. González-Elizondo & L. E. Brothers 16933 ( US); Nombre de Dios al N, [23.8444°N, 104.2425°W] , 3 April 1981, S. Acevedo 7 ( ANSM); Otinapa , [24.05°N, 105°W] , 25 July–5 August 1906, E. Palmer 346 (F-213079, GH, MO, NY); Sierra Madre Occidental, 1.8 mi NW of Cienaga de Nuestra Senora on road towards Topia , 25.083°N ,

ATAXONOMIC REVISION OF BROMUS (POACEAE)

Phytotaxa 185 (1) © 2014 Magnolia Press 55 106.34°W, 2570 m, 12 October 2000, P. M. Peterson, J. Cayouette & M. S. González-Elizondo 15442 ( US), Sierra Madre Occidental , 2.7 mi SW of Tableteros 23.6673°N, 104.7181°W, 2485 m , 2 October 2007, P. M. Peterson, J. M. Saarela, M. S. González-Elizondo, D. J. Rosen & C. S. Reid 21218 ( CAN, US); Sierra Madre Occidental , 2.7 mi SW of Tableteros, 23.6673°N, 104.7181°W, 2485 m , 2 October 2007, P. M. Peterson, J. M. Saarela, M. S. González- Elizondo, D. J. Rosen & C. S. Reid 21216 ( CAN, MO, US); Sierra Madre Occidental , 3.2 mi SW of Las Bayas on road towards Ceballos , 23.4983°N, 104.8607°W, 2780 m , 10 October 2000, P. M. Peterson, J. Cayouette & Y. Herrera-Arrieta 15421 ( CAN, MO, US); Sierra Madre Occidental , 56 km Wof Durango along Hwy . 40 towards El Salto and 0.4 mi Eof entrance to Parque El Tecuan , 23.9109°N, 105.0252°W, 2536 m , 3 October 2007, P. M. Peterson & J. M. Saarela 21256 ( CAN, MO, US); Sierra Madre Occidental, 6.8 mi Eof Los Canoas on road towards Huejuquilla El Alto, 22.6349°N, 104.2163°W, 2460 m , 21 September 2005, P. M. Peterson & F. Sánchez Alvarado 19063 ( CAN, MO, US); Sierra Madre Occidental, at Río Mimbres 45 km Wof Durango on Hwy. 40 towards El Salto , 24.19°N, 104.9527°W, 2430 m , 8 October 2000, P. M. Peterson & J. Cayouette 1540 0 ( CAN, US); Sierra Madre Occidental, SW slope of Cerro Gordo just below twin rock outcrops, 23.209°N, 104.9484°W, 3130 m , 26 September 2005, P. M. Peterson & F. Sánchez Alvarado 19148 ( CAN, MO, US); Sierra Madre Occidental, SW slope of Cerro Gordo just below twin rock outcrops, 23.209°N, 104.95°W, 3130 m , 26 September 2005, P. M. Peterson & F. Sánchez Alvarado 19147 ( US); Sierra Madre Occidental, Sierra Murata , 5.3 mi Wof La Ventana, 22.9604°N, 104.5003°W, 2540 m , 20 September 2005, P. M. Peterson & F. Sánchez Alvarado 19042 ( CAN, US); Tepehuanes , 25.35°N, 105.7333°W, 1771 m , 28 July 1944, G. L. Fisher 44185 ( MO, US-90885 ); transect from Paseo de Cerro Gordo to the top (cumbre), 23.2086°N, 104.9481°W, 3136–3348 m , 9 September 2006, P. M. Peterson & F. Sánchez Alvarado 19994 ( CAN, MO, US); Sierra Madre Occidental , 4.2 mi NE of El Salto on Hwy. 40 towards Durango, 2520 m , 26 October 1995, P. M. Peterson, M. B. Knowles, C. Dietrich & S. Braxton 13452 ( US). Guanajuato: Acambaro , 20.0333°N, 100.7333°W, 1920 m , 14 September 1910, A. S. Hitchcock 6947 ( US-1009529 ); Casa Sautto, San Miguel de Allende, [20.92°N, 100.75°W] , 5 July 1963, S. K. Harris 25794 ( GH); Casa Sautto, Predio Montecdillo del Panteón Andocutín , [20°N, 100.71°W], 1839 m , 19 August 1983, E. Guízar 1091 ( MEXU-795738 ); Mpio. Cortázar, Cerro Culiacán , [20.33°N, 100.97°W] , 1 September 1981, A. A. Beetle M-7301 ( MICH-1119189 , RSA-POM-303026 , SD-122030 ); Mpio. Guanajuato, Cañada de la Virgen Alrededor del Agua Sabrosa , 21.1675°N, 101.2017°W, 2400 m , 23 August 1998, Martínez, Cruz & Juan 1038 ( MEXU-851286 ); Obregon , 21.3167°N, 101.0833°W , 23 July 1910, A. S. Hitchcock 5800 ( US- 1009530 ); ca. 2 km NE of San Miguel , [20.9418°N, 100.7397°W] , 31 October 1952, E. R. Sohns 498 ( MICH- 1119135 ); Puerto de Neito , [20.8833°N, 100.5333°W] , 13 August 1947, L. A. Kenoyer 2047 ( GH). Guerrero: Tres Palitos, Chilpancingo , [17.55°N, 99.5°W], 2400 m , 26 July 1994, A. Carrillo Soberón 771 ( MEXU-1097988 ). Hidalgo: 8 mi Sof Ixmiquilpan , 20.4861°N, 99.2589°W , 5 August 1960, F. W. Gould 9305 ( MICH-1119261 ); between Pachuca and Real Del Monte , 20.1167°N, 98.7°W , 19 July 1905, J. N. Rose, J. H. Painter & J. S. Rose 8683 ( US-452175 ); between Somoriel and Las Lajas , 20.0133°N, 98.5102°W , 5 August 1905, J. N. Rose, J. H. Painter & J. S. Rose 9203 ( US-452686 ); ca. 13 mi Eof Pachuca , [20.09°N, 98.71°W], 2560 m , 30 September 1974, J. R. Reeder & C. G. Reeder 6405 ( RSA-POM-305966 ); Dist. Zacualtipán, beside Río Teponapa, vicinity of Zacualtipán , 20.65°N, 98.6°W, 2000 m , 2 July 1947, H. E. Moore, Jr. 3236 ( GH, US-2012715 ); Ejido Emiliano Zapata , 2700 m , 22 September 1992, Ma. de los Angeles Garcia & L. Caballero S. 11 ( ANSM); in Barranca de San Vicente near km 238 on highway between Zimapán and Jacala , 20.83°N, 99.25°W, 549-610 m , 24 September 1949, H. E. Moore, Jr. 5066 ( US-1983649 ); Mpio. Real del Monte, ca. a 4 km sobre el camino de terracería Real del Monte-Santa Rosalía , 20.1167°N, 98.6333°W , 13 July 1994, A. Olmos García 18 ( MEXU); near Ixmiquilpan , 20.4833°N, 99.2333°W , 28 July 1905, J. N. Rose, J. H. Painter & J. S. Rose 8998 ( US-452478 ) & 9061 ( US-452540 ); near Tula , 20.05°N, 99.35°W , 3–4 July 1905, J. N. Rose, J. H. Painter & J. S. Rose 8358 ( NY, US-451851 ); Pachuca , 20.1167°N, 98.7333°W, 2438 m , 6–7 September 1910, A. S. Hitchcock 6745 ( NY, US-1009527 ); Real del Monte , 20.1333°N, 98.6667°W , 10 November 1919, I. W. Clokey 1904 ( US-726923 ) & 1908 ( US-726921 ); Real del Monte , 20.1333°N, 98.6667°W , 15 September 1910, I. W. Clokey 1910 ( US-726922 ); Sierra de Pachuca , 20.14°N, 98.73°W , 1 September 1903, J. N. Rose & J. H. Painter 6750 ( GH, US-450307 ); near Real del Monte above Pachuca , [20.17°N, 98.73°W], 9300 ft [2835m] , 1 October 1944, A. J. Sharp 441086 ( MEXU-136475 ). Jalisco: 3 mi Wof Capilla de Guadalupe, 20.8333°N, 102.6333°W, 2000 m , 30 August 1958, R. McVaugh 17563 ( MICH-1119169 , US- 2381230 ); Cerro de Santa Fé, Puente Grande, Zapotlanejo , [19.92°N, 104.33°W], 1900 m , 21 October 1972, C. L. Diaz Luna 3574 ( MICH-1119167 , RSA-POM-301496 ); cumbre de Volcán Tequila, 11.2 mi Sof Tequila , 20.7878°N, 103.847°W, 2920 m , 5 October 2001, P. M. Peterson & O. Rosales 16075 ( CAN, MO, US). Estado de México: "La Puerta", a 2 km por la carretera al Nevado de Toluca ( Sur ), [19.1083°N, 99.7583°W], 3020 m , 1

56 Phytotaxa 185 (1) © 2014 Magnolia Press

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August 1981, R. Guzmán 3981, 3978 ( MEXU); 2 km al Wde San José El Vidrio , [19.65°N, 99.39°W], 2500 m , 30 July 1981, R. Guzmán 3957 ( MEXU-1110855 ); 20 mi Sof México City, [19.33°N, 98.62°W] , 1 September 1946, A. I. Ortonburger, J. B. Paxon & F. A. Barkley 16 M711 (F-1408979) & 16 M760 (F-1408978); 27 km SW of Toluca on road to Temaxcaltepic , 19.11°N, 100°W, 2800 m , 9 July 1964, G. Mick & K. Roe 235 ( MICH-1119239 , US); 27 mi Sof San Juan del Río, [20.12°N, 99.69°W] , 28 July 1960, F. W. Gould 9209 ( MICH-1119262 ); 3.6 mi Sof Aculco on Hwy. 55, 20.0439°N, 99.87°W, 2602 m , 8 October 2007, P. M. Peterson, J. M. Saarela & M. J. Flores Villegas 21333 ( CAN, MO, US); 5 mi Eof Michoácan-México state line on road from Morelia to Toluca , 19.4°N, 100.07°W , 24 July 1950, J. R. Reeder, C. G. Reeder & L. N. Goodding 1479 ( US-2473571 ); 5 mi Eof Toluca, [19.29°N, 99.42°W] , 10 August 1947, F. A. Barkley, J. Salgado II & J. B. Paxson 698 (F-1405687); a 7 km de Buenavista, rumbo a Temascaltepec , 3250 m , 29 August 1983, Manrique, Jaramillo & Guerrero 289-a ( MEXU) & 290 ( MEXU); a 7.2 km de la desviación al Nevado de Toluca (cerca de Raíces) carretera Toluca-Temascaltepec , [19.1083°N, 99.7583°W], 3460 m , 28 July 1983, Manrique, Guerrero & Miranda 262 ( MEXU-1110800 ); al oeste de Amecameca, por la carretera Amecameca-Cuautla , [19.12°N, 98.79°W], 2520 m , 8 February 1984, Manrique & Beetle et al. 713 ( MEXU-1110830 ) & 714 ( MEXU-11108329 ); Amecameca , 19.1167°N, 98.7667°W, 2600 m , 20 August 1950, E. Matuda 19306 ( US-2040924 , MEXU); between Nicols Romero and Progreso Industrial, 19.6286°N, 99.33°W, 2134–2743 m , 20 September 1953, E. R. Sohns 522 ( US-2118504 ) & 527 ( P-02629879 , US- 2118509 ); Brecha San Marín de las Pirámides-Tizayuca , a 7 km al Wde San Martín de las Pirámides , [19.7°N, 98.84°W] , 29 July 1981, R. Guzmán 3873 ( MEXU-1110769 ); ca. 5 mi Sof Tizayuca on road between México City and Pachuca , 19.53°N, 98.9°W , 3 August 1950, J. R. Reeder & C. G. Reeder 1608 ( US-2473585 ); carretera al Ajusco , en frente al Ejido San Andres Tlalpan, D. F., [19.26°N, 99.17°W], 2650 m , 29 June 1980, L. Pacheco 45 (F- 2055659); carretera Villa Victoria-El Oro , [19.81°N, 100.13°W], 2570 m , 9 August 1981, R. Guzmán & P. Guerrero 4245 ( MEXU-1110833 ); cerca de la Presa Ñadÿó, por la carretera Acambay-Querétero , [20.05°N, 99.83°W], 2490 m , 10 August 1981, R. Guzmán 4289 ( MEXU-1110832 ); Cerro de Sacromonte, cerca de Amecameca , [19.12°N, 98.76°W], 2500 m , 5 August 1967, L. López 104 ( RSA-POM-209191 ); Chapingo , 2240 m , June 1966, R. Moreno F. 39 ( ANSM); Chapingo-Chimalhuacan, orillando lago Texcoco , 19.5°N, 99°W , 5 July 1953, E. Matuda et al. 28667 ( US-2119994 ); Chapultepec , 19.4167°N, 99.1833°W, 2600 m , 10 October 1953, E. Matuda et al. 29472 ( US-2119849 ); Coulter 1651 ( GH); Ede Tlalnepantla, cerca de la población, 19.55°N, 99.1833°W, 2250 m , 27 October 1963, M. Villegas-D. 242 ( US-2589256 ); El Horno Chapingo , 19.4667°N, 98.8667°W , 8 August 1946, E. Hernández-Xolocotzi X-1965 ( US-1962006 ); Griaderos , 3000 m , 3 September 1950, E. Matuda 19390 ( MEXU-109284 , US-2040929 ); Juchitepec, Pedregal de Huihuilango , [19.09°N, 98.88°W], 2800 m , 10 March 1976, A. Ventura A. 1127 ( SD-120462 ); junction of Hwy. 10 and road to Parque Nacional Nevado de Toluca , NW of the volcán, 19.1506°N, 99.8°W, 3572 m , 11 October 2001, P. M. Peterson & Y. Herrera-Arrieta 16156 ( CAN, MO, US) & 16157 ( CAN, US); km 3 por terracería Coatepec-Agua Amarga a orilla del arroyo El Molino , [19.42°N, 98.95°W] , 30 September 1987, R. Méndez Ibarra 138 ( MEXU); Lecheria , 19.6114°N, 99.1856°W , 10 July 1904, 7300 ft, C. G. Pringle 13243 (F-179486, GH, MICH-1119173 , US, MEXU- 537475 ); México City, 19.4342°N, 99.1386°W , 5 June 1944, J. Harlan 441-13 & -16 ( US-1939768 ); Mpio. Amecameca, Cueva del Negro, carretera al Paso de Cortés , 15 km al Wde la carretera Amecameca-Cuautla , 19.23°N, 98.84°W, 3260 m , 20 December 1981, S. D. Koch & M. F. Denton 8118 ( US-2989673 ); Mpio. Texcoco, Santa Rosa , km 35 del camino México-Texcoco , 19.5294°N, 98.88°W, 2250 m , 20 September 1967, A. Rebolledo Vélez s.n. ( MICH-1119203 , MSC-223206 ); Mt. Popocatepetl , 19.0333°N, 98.6333°W, 3353 m , 5–6 August 1910, A. S. Hitchcock 5994 ( US-1009499 ); Nanchititla, Temascaltepec , [18.81°N, 100.42°W] , 10 November 1933, G. B. Hinton 4984 ( NY, RSA-POM-364162 ); near city of México, 19.4342°N, 99.1386°W , 9 October 1898, E. W.D. Holway 3034 ( US-1009506 ); on old Hwy. 190 between turnoff to Chalco ( Hwy. 115) and Santa Bárbara ca. 30 m above Azotla , 19.32°N, 98.89°W , 21 July 1964, G. Mick & K. Roe 293 ( US-2630280 ); por la carretera a Texcaltitlán, al Sdel Nevado de Toluca , [19.1083°N, 99.7583°W], 2360 m , 1 August 1981, R. Guzmán 4027 ( MEXU); Rancho Buena Vista y Libertad, por la carretera a Morelia , [19.68°N, 101.12°W], 2520 m , 8 August 1981, R. Guzmán & P. Guerrero 4227 ( MEXU-1110861 ); Tehuacán area, along Tehuacán-Orizaba highway just above Azumbilla , 18.7°N, 97.41°W, 1500–1800 m , 18 July 1961, C. E. Smith Jr., F. A. Peterson & N. Tejeda 3962 ( US-2382355 ); Tequesquipan , 19.0578°N, 99.9506°W, 2480 m , 30 June 1933, G. B. Hinton 4185 ( RSA-POM- 364163 ); Tequesquipan, Temascaltepec , 19.0578°N, 99.9506°W , 30 June 1932, G. B. Hinton 4186 ( NY, US- 1840859 ); Toluca , 19.3°N, 99.65°W, 2682 m , 13 September 1910, A. S. Hitchcock 6907 ( US-1009501 ); vallede Ixtapan de la Sal , [18.8333°N, 99.6833°W], 1950 m , 28 July 1968, A. Pindea R. 420 ( MSC-234832 ); Valle de México, Cerros Tenayo, Sonayo , 19.0833°N, 99.1333°W, 2600 m , 27 July 1952, E. Matuda 26250 ( US-2119845 ) ;

ATAXONOMIC REVISION OF BROMUS (POACEAE)

Phytotaxa 185 (1) © 2014 Magnolia Press 57 Volcán de Zinantecatl near Toluca, [19.12°N, 99.76°W], 12000 ft, 23 August 1947, F. A . Barkley, G. L . Webster & B. L . Westlund 36 (F-1405746); 11 mi Eof Amecameca, fir forest en route up Popocatypetl , 10,950 ft, 31 July 1975, D. LeDeoux, Wallace & Ellis 68 ( NY). Michoácan : S-facing slopes of mountains between the Río del Salto and La Polvilla, ca. 18 mi Eof Morelia, 19.65°N, 100.95°W, 2195–2438 m, 9–18 November 1961, R. M . King & T. R . Soderstrom 5014 ( MICH-1119186 , NY, US-2378940 ); ca. 12 mi Eof Zacapu on road from Guadalajara to Morelia, 19.72°N, 101.63°W, 22 July 1950, J. R . Reeder, C. G . Reeder & L. N . Goodding 1449 ( US-2473570 ); ca. 20 mi Wof Morelia , 19.63°N, 101.47°W, 1524–2134 m, 3 October 1953, E. R . Sohns 763 ( US-2118692 ); Morelia, Rinson, 19.7°N, 101.183°W, 1950 m, 28 July 1909, G . Arséne 7273 ( US-1002629 ); Mpio. Huiramba, parte alta del Cerro del Burron, 23 November 1986, 19.53°N, 101.47°W, 3300 m, J . Rzedowski 41895 ( MICH-1119188 ); vicinity of Morelia, Jardín, 19.7°N, 101.2°W, 1850 m, 2 May 1909, G . Arséne 3304 ( US-1002652 ); Cerro Tancítaro, 27 km al Wde Uruapan en linea recta Barranca del Agua al Nde Zirimondiro, Mpio. de Tancítaro, [19.41°N, 102.3°W], 2400 m, 26 September 1996, I . Garcia Ruíz, J.A. Machuca & M. Cházaro 4238 ( MICH-1119230 ). Morelos: Cuernavaca, 18.9167°N, 99.25°W, 1372 m, 10–11 September 1910, A. S . Hitchcock 6885 ( US-1009525 ); Mpio. Totolapan , Nicolás Villa Zapata, Cerro del Algibe, [18.99°N, 98.92°W], 2440 m, 28 April 1981, G . Ayala A . 82 ( MEXU); near Vallede México , Oastepec, 18.9°N, 98.9667°W, 1600 m, 16 March 1952, E . Matuda 26010 ( US- 2079220 ). Nayarit: Sierra Madre, near Santa Teresa, Territorio de Tepic, 22.4667°N, 104.7333°W, 9 August 1897, J. N . Rose 2138 ( US-301044 ). Nuevo León: 1.4 mi NW of Dulces Nombres , 24.0115°N, 99.5731°W, 1926 m, 23 September 2001, P. M . Peterson & J . Valdés-Reyna 15936 ( CAN, US); 11.7 mi NE of Dulces Nombres , 23.9755°N, 99.4882°W, 1808 m, 23 September 2001, P. M . Peterson & J . Valdés-Reyna 15938 ( CAN, US); 32 mi Sof San Roberto, along Hwy . 57, 24.3°N, 100.3833°W, 11 July 1963, R. L . McGregor, L. J . Harms, A. J . Robinson et al. 497 ( US-2454844 ); 4 km Wof Tepehuanes on road towards Zaragoza , 23.9349°N, 99.7312°W, 1980 m, 21 September 2001, P. M . Peterson & J . Valdés-Reyna 15865 ( ANSM, CAN, MO, NY, US); along road up to Cerro Potosí , 24.8875°N, 100.2126°W, 2884 m, 21 October 2007, P. M . Peterson, J. M . Saarela & D. Stancik 21454 ( CAN, MO, US); Cerro Potosí , 24.8667°N, 100.2167°W, 2743 m, 8 July 1963, R. L . McGregor, L. J . Harms, A. J . Robinson et al. 301 ( US-2454958 ); Cerro Potosí, Eside of mtn. at km 18 (from Dieciocho de Marzo ) on road to Teléfonos de México installation, 24.8667°N, 100.2167°W, 3 August 1962, E.K. Longpre 506 ( MSC-281858 ); Ejido Tepehuanes, 23.905°N, 99.7118°W, 2317 m, 21 September 2001, P. M . Peterson & J . Valdés-Reyna 15873 ( ANSM, CAN, US); El Tejocote, Santiago , [25.3317°N, 100.2525°W], 2100 m, 8 July 2004, E . Estrada et al. 16469 ( ANSM); Mpio. Galeana , 24.8333°N, 100.0667°W, 1646 m, 30 July 1939, V. H . Chase 7681 ( US-1763086 ); Mpio. Zaragoza, Sierra El Soldado, camino a Puerto Pinos , 2840 m, 24 August 1989, J. A . Villarreal, M. A . Carranza, G . Nesom & J . Norris 4953 ( ANSM, MEXU-508589 , NY); Renacer de la Sierra, Serranía La Marta , 25.25°N, 100.1667°W, 2800 m, 26 July 1987, I . Cabral C . 1023 ( ANSM, MEXU-472758 ); Sierra La Lagunita , 13.5 mi SE of Aramberri on road towards Agua Fría, 24.0417°N, 99.7333°W, 2250 m, 20 September 2002, P. M . Peterson, J . Valdés-Reyna & M . Sosa Morales 16720 ( ANSM, CAN, US); Sierra La Lagunita , 13.5 mi SE of Aramberri on road towards Agua Fría, 24.0423°N, 99.7345°W, 2170 m, 20 September 2002, P. M . Peterson, J . Valdés-Reyna & M . Sosa Morales 16716 ( ANSM, CAN, US); Sierra La Lagunita , 13.5 mi SE of Aramberri on road towards Agua Fría, 24.0533°N, 99.74°W, 2153 m, 20 September 2002, P. M . Peterson, J . Valdés-Reyna & M . Sosa Morales 16711 ( ANSM, US); Sierra Las Cautivas , 4.1 mi SW of Dulces Nombres and 22.7 mi Eof Zaragoza, 23.9798°N, 99.5955°W, 2017 m, 26 September 2007, P. M . Peterson & J. M . Saarela 21096 ( CAN, MO, US); Sierra Madre Oriental , Alamar ca. 15 mi SW of Galeana, 24.61°N, 100.01°W, ca. 5000 ft, 1 June 1934, C. H . Mueller & M. T . Mueller 667 ( MICH-1119264 , GH); Sierra Madre Oriental , ascent to Sierra Infernillo, ca. 15 mi SW of Galeana, 24.61°N, 100.01°W, 9000–10000 ft, 16 June 1934, C. H . Mueller & M. T . Mueller 812 (F-938712, GH, MICH- 1119178 ); Sierra El Pinal Alto, 3.7 mi Nof San Pablo , 25.0992°N, 100.42°W, 2640 m, 10 September 2005, P. M . Peterson & J . Valdés-Reyna 18945 ( ANSM, CAN, US). Oaxaca : vicinity of El Rancho de Buenavista, La Cumbre del Cuartel, district of Ixtlán, 17.26°N, 96.4°W, 11000–12000 ft, 2 November 1944, J . Vera Santos 3617 ( MICH- 1119241 ); 1.6 mi Nof San Miguel Suchixtepec along Hwy. 175, 16.1157°N, 96.4745°W, 2722 m, 23 September 2008, P. M . Peterson & J. M . Saarela 22379 ( CAN, US); 14.1 mi Nof San Cualimojoyas on road towards Santa María Yavesia , 17.2267°N, 96.4308°W, 2150 m, 19 September 2008, P. M . Peterson & J. M . Saarela 22304 ( CAN, US); 16 mi Sof Villa Talea de Castro and 17.5 mi Wof San Bartolome Zoogocho, 17.2668°N, 96.37°W, 2696 m, 25 September 2006, P. M . Peterson & R . Garcia 20164 ( US); 7.6 mi Nof Espiritú Santo Tanazulapan , 17.1074°N, 96.0367°W, 1722 m, 26 September 2006, P. M . Peterson & R . Garcia 20193 ( CAN, MO, US); 8.3 mi Nof San Cualimojoyas on road towards Santa María Yavesia, 17.1819°N, 96.4445°W, 2794 m, 20 September 2008, P. M . Peterson & J. M . Saarela 22313 ( CAN, US); along Route 175, 12 km Nof Ixtlán de Juárez on the road to Valle

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Nacional , [17.39°N, 96.51°W], ca. 2500 m, 26 July 1959, R. M . King 2098 A ( MICH-1119259 ); Mpio. Ixtlán de Juárez , 4 km Eof Ixtlán de Juárez on road to Capulalpan, Rancho Teja, [17.35°N, 96.52°W], 2200 m, 1 September 1980, G. J . Martín 137 ( MO, MSC-282217 ); Mpio. Ixtlán de Juárez , Rancho Vivero Teja , 2.5 mi from church in Ixtlán de Juárez on road to Yavesia, 17.32°N, 96.48°W, 2200 m, 10 September 1980, R. E . Gereau 650 ( MSC- 276340 , NY); SantaMaría Yavesia, 17.2347°N, 96.43°W, 2006 m, 19 September 2008, P. M . Peterson & J. M . Saarela 22290 ( CAN, US); Tepautlali , 14 May 1980, Ledezma 2 ( MEXU). Puebla: 1 km al oeste de San Isidro Vaquerías, [18.9667°N, 98.2667°W], 3000 m, 27 June 1989, P . Dávila 359, P . Tenorio & J . Sánchez-Ken ( ANSM); 16 August 1908, Nicolás s.n. ( US-1009569 ); 24 February 1909, Nicolás s.n. ( US-1009520 ); 25 July 1908, G . Arséne s.n. ( US-566850 ); 39 mi NW of Puebla, 19.25°N, 97.61°W, 9 September 1962, F. W . Gould 10173 ( MICH- 1119138 ); 5 mi NE of Zacatepec, on Hwy. 40 from Jalapa to Zacatepec, 19.32°N, 97.48°W, 2438 m, 29 August 1959, T. R . Soderstrom 494 ( US-2378257 ); 8 km después de Zaragoza rumbo a Zacapoaxtla, [19.84°N, 97.57°W], 2140 m, 21 November 1985, I . Núñez et al. 379 ( MEXU); Arzohispado, vicinity of Puebla, 19.05°N, 98.2°W, 2165 m, 14 July 1907, G . Arséne 7139 ( US-1000497 ); base du Cerro San Juan, vicinity of Puebla, 19.0833°N, 98.2667°W, 2180 m, 5 August 1906, G . Arséne 178 ( US-1000498 ); ca. 16 mi Wof Texmelucan near the continental divide, [19.34°N, 98.71°W], 2980 m, 31 August 1953, J. R . Reeder & C. G . Reeder 2205 ( RSA-POM-287294 , US- 2473587 ); Chalchicomula, 18.9833°N, 97.45°W, 2743 m, 19 August 1910, A. S . Hitchcock 6269 ( US-1009511 ) & 6287 ( US-1009512 ) & 6290 ( US-1009513 ); Chinantla, 18.2°N, 98.25°W, July 1841, Liebmann 483 ( US-207525 ); Chinantla, 18.2°N, 98.25°W, May 1841, Liebmann 12892 ( US-1389852 ); El Carmen Zacatepec entre San José Chapa y Lara Grajales, 3380 m, 5 September 1988, F . Domínguez F-32 ( MEXU-110790 ); Esperanza, 2591 m, 18.8667°N, 97.4°W, 23 August 1910, A. S . Hitchcock 6495 ( US-1009517 ) & 6497 ( US-1009518 ); Huauchinango, 20.1833°N, 98.05°W, 13 June 1950, J. T . Baldwin , Jr. 14389 ( US-2436907 ); just over the Veracruz–Puebla boundary on Hwy. 150, [18.85°N, 97.27°W], 2 October 1976, F. W . Gould 14894 ( ANSM, SD-126967 ); margenes del río "El Calvario", en la Cd. de Teziutlán, [19.82°N, 97.35°W], 2000 m, 4 May 1996, M. G . Cano 133 ( MEXU); Mayorazgo , sur l'Atoyac, vicinity of Puebla, 19.033°N, 98.2°W, 2120 m, 7 July 1907, G . Arséne 1325 ( MO, US- 1002641 ) & 1336 ( US-1002643 ); Mayorazgo, 19.033°N, 98.2°W, 2120 m, 4 July 1907, G . Arsène 10105 ( US- 1003995 ); Mpio. Atempan, [19.83°N, 97.46°W], 11 November 1992, S . Aguirre 84 ( MEXU-1099512 ); Mpio. Chapulco, 6–8 km al Ede la interseccion Tehuacán-Orizaba-Esperanza, 18.63°N, 97.41°W, 18 July 1990, A. Salinas T . 5461 ( RSA-POM-544232 ); Mpio. Chignahuapan , 12 km de Zacatlán rumbo al municipio Chignahuapan, 19.84°N, 98.03°W, 2000 m, 30 July 1981, L . Román M . 4 ( MEXU); Mpio. Cholula , Santa María Zacatepec, [19.12°N, 98.37°W], 2150 m, 13 November 1992, R . López 70 ( MEXU-1099514 ); Mpio. Nicolás Bravo, 5 km al. Ede la desviación a Nicolás Bravo , 2200 m, 21–22 September 1990, A. Salinas T., J . Sánchez-Ken & P . Tenorio 5760 ( RSA-POM-544235 ); Mt. Orizaba, 19.0167°N, 97.2667°W, 3962 m, 17–18 August 1910, A. S . Hitchcock 6250 ( US-1009516 ); near Hacienda Santa Bárbara , barranca de la Alseseca, vicinity of Puebla, 18.8333°N, 97.7333°W, 2150 m, 18 July 1907, G . Arséne s.n. ( US-1002640 ); Puenta del Emperador, near La Venta, 19.2833°N, 98.4333°W, 2530 m, 18 August 1944, A. J . Sharp 44418 ( GH, MO, NY, US-1939422 ); Rancho Posadas, vicinity of Puebla, 19.0333°N, 98.1833°W, 2180 m, 6 August 1908, G . Arséne 1603a ( US-1002638 ) & 1605 ( MO, US- 1002636 ); Rancho Posadas, vicinity of Puebla, 19.0333°N, 98.1833°W, 2194 m, 15 August 1909, G . Arséne 270, 270a ( US-1002628 ); Rancho Posadas, vicinity of Puebla, 19.0333°N, 98.1833°W, 67 m, 10 April 1909, Br. Nicolás & G . Arséne 270 ( GH, NY, mixed sheet with B. anomalus , US-1002656 ); Rancho Posadas, 19.0333°N, 98.1833°W, 2194 m, 10 August 1909, G . Nicolás s.n. (F-387670, MEXU, US-1009519 ); Route de México , sous Cerro San Juan, vicinity of Puebla, 19.0833°N, 98.2667°W, 2190 m, 30 August 1906, G . Arséne 336 ( MO, US-1002649 ); San Marcos, 18.4°N, 97.35°W, 2591 m, 29 August 1910, A. S . Hitchcock 6517 ( US-1009514 ) & 6537 ( US-1009515 ); San Miguel, Cholula, [19.06°N, 98.31°W], 2162 m, 27 September 1988, E . Coyote E-23 ( MEXU-1110789 ); San Miguel , Distrito de Tepeaca, vicinity of Puebla, 18.8833°N, 97.8333°W, 2110 m, July 1907, Br. Amable & G . Arséne 2243 ( US-1002634 ); Santa Isabel de la Visitación, Cholula, [19.08°N, 98.3°W], 2100 m, 25 September 1985, I . Núñez et al. 178 ( MEXU-1110799 ); Tehuacán, 18.45°N, 97.3833°W, 1676 m, 9 August 1910, A. S . Hitchcock 6043 ( US-1009521 ); Teziutlan, 19.8167°N, 97.35°W, 7 September 1910, C. R . Orcutt 4037 ( US- 1009510 ); vicinity of Puebla, 19.05°N, 98.2°W, 14 July 1910, Br. Nicolás & G . Arséne 5244 ( US-1002655 ); vicinity of Puebla, 19.05°N, 98.2°W, 2160 m, 20 December 1906, G . Arséne 445 ( US-1002648 ); vicinity of Puebla, 19.05°N, 98.2°W, 2170 m, 23 June 1907, G . Arséne 2227 ( GH, MO, US-1002630 ) & 2228 ( MO, US-1002631 ). Queretaro: carretera Pinal de Amoles-Jalpan, [21.19°N, 99.57°W], 24 August 1982, R . Guzmán 5966 ( MEXU- 1110824 ); vicinity of Querataro , [20.58°N, 100.39°W], 1912, Basile 23 ( US-1009526 ); Mpio. Pinal de Amoles , Cuesta de Huazmazontla, [21.14°N, 99.62°W], 1620 m, 11 December 1996, L. G . Rincón 441 ( MEXU-1089795 ) ;

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just below Cerro El Zamorano, 20.9328°N, 100.1839°W, 3191–3250 m, 25 September 2012, P.M. Peterson, K. Romaschenko & S. Zamudio Ruíz 24682 ( US); Pinal de Amoles, Ridge near Cerro Pinuical, 21.1692°N, 99.6911°W, 3076 m, 28 September 2012, P.M. Peterson, K. Romaschenko & S. Zamudio Ruíz 24784 ( US); Pinal de Amoles, Ridge near Cerro Pinuical, 21.1344°N, 99.6803°W, 2979 m, 28 September 2012, P.M. Peterson, K. Romaschenko & S. Zamudio Ruíz 24786 ( US); just below Cerro El Zamorano, 20.9328°N, 100.1839°W, 3191–3250 m, 25 September 2012, P.M. Peterson, K. Romaschenko & S. Zamudio Ruíz 246780-A ( US). San Luis Potosí: 21 mi ESE of San Luis Potosí on MEX 40, [22.09°N, 100.64°W], 7200 ft, 28 September 1972, L.H. Harvey & J.T. Witherspoon 9246 (MICH-1119243); 22 mi Eof San Luis Potosí on the road to Rioverde, 22.11°N, 100.66°W, 2316 m, 8 November 1964, J.R. Reeder & C.G. Reeder 4080 (US-2473586); 26 mi Eof San Luis Potosí, along Hwy. 86 to Rioverde, 22.07°N, 100.61°W, 2438 m, 14 July 1963, R.L. McGregor, L.J. Harms, A.J. Robinson et al. 713 (US-2454908); 30 mi Eof San Luis Potosí, along Hwy. 86 to Rioverde, 22.06°N, 100.56°W, 2103 m, 13 July 1963, R.L. McGregor, L.J. Harms, A.J. Robinson et al. 576 (US-2454948); Álvarez, Sierra de Álvarez, Sierra Madre Oriental, 22.0333°N, 100.6167°W, 2200–2400 m, 30–31 July 1934, F.W. Pennell 17847 (MEXU-612, US- 1841168); between Puerta Huerta and Rioverde in the Sierra de Álvarez, 21.91°N, 100.1°W, 1150–2200 m, 11 September 1954, E.R. Sohns 1167 (US-2154429); Cárdenas, 22°N, 99.6667°W, 19–20 July 1910, A.S. Hitchcock 5744 (US-1009533); carretera a ciudad Valles, en el Parador Cruz de Encinos de la Sierra de Álvarez, 22.07°N, 100.52°W, 1500 m, 27 July 1995, M.A. Reyes 527 (MEXU-1097984); Charcas, 23.1°N, 101.0333°W, July 1934, A.F.Whiting 488 (MICH-1119185, US-1646336); in the canyons in the Sierra de San Miguelito, ca. 2 km Wof Terrero, 22.4°N, 100.92°W, 1850–2200 m, 8 September 1954, E.R. Sohns 1133 (US-2154403); Mpio. Villa de Zaragoza, San Isidro, 23.1°N, 101.65°W, 2000 m, 13 September 1994, H. Bravo M. 394 (MEXU-1097982); near Puerta Huerta in the Sierra de Álvarez, 21.91°N, 100.1°W, 2200–2400 m, 4 September 1954, E.R. Sohns 1021 (US- 2154301) & 1025 (US-2154305) & 1029 (US-2154308); San Luis Potosí, 22.15°N, 100.9833°W, 15–18 July 1910, A.S. Hitchcock 5667 (US-1009532) & 5711 (US-1009531). Sinaloa: Mpio. Concordia, El Palmito en al parte aguas, a ca. 8 km al oeste del poblado, 2350 m, 18 November 1984, R. Vega Aviña 1379 (MEXU-793013); Ocurahui, 16 mi Nof Surutato, 25.9278°N, 107.65°W, 1700 m, 14 September 2008, P.M. Peterson & J.M. Saarela 22220 (CAN, US); region of the Río de Bavispe, NE Sonora, El Bilito, NE of El Tigre, 30.61°N, 109.17°W, 1890 m, 12 October 1941, J. Vera-Santos 2129 (F-1930120, MICH-119184, NY, US-1938697). Sonora: cemetary in Yécora, [28.3736°N, 108.93°W], 1540 m, 7 September 1995, T.R. Van Devender, J.F. Wiens, A.L. Reina G., D.A. Yetman & M.E. Fishbein 95-861 (ARIZ-319640, RSA-POM-585391); El Llano, on Mesa del Campanero, Wof Yécora, [31.09°N, 111.98°W], 2100 m, 14 July 1997, T.R. Van Devender, A.L. Reina G., D. Larson, R.L. Bellsey, P. Merlin & M.J. Martínez C. 97-642 (RSA-POM-608784); just Wof El Palmito Rancho el Liebre, 23.5596 N, 105.8446 W, ± 1000 m, 12 March 1980, E. Lehto s.n. (ASU-0010751). Tamaulipas: 3 mi Nof Miquihuana, 23.61°N, 99.7833°W, 15 July 1949, L.R. Stanford, S.M. Lauber & L.A. Taylor 2480 (NY, US-2013050); Mpio. Gómez Farías, La Gloria, 1400 m, 22 October 1981, J.L. Ramos 31 (MEXU-1055912, MEXU-1098030); Mpio. Miquihuana, Ejido Valle Hermoso, [23.57°N, 99.76°W], 2350 m, 4 September 1981, R. Carranco 67 (MEXU- 1055915, MEXU-1052823. Tlaxcala: 5 km SW Tlaxcala, 19.29°N, 98.27°W, 2286 m, 22 July 1942, J.N.Weaver 235 (US-2436984); between San Cristóbal and Calpulalpan, 19.5833°N, 98.61°W, 2134-2743 m, 22 September 1953, E.R. Sohns 558 (MEXU-171736, US-2118539) & 574 (US-2118552); ca. 3 mi NE of Tlaxco, 19.65°N, 98.08°W, 2743–3048 m, 23 September 1953, E.R. Sohns 587 (US-2118565) & 589 (MEXU-171766, P-02629882, US-2118566); ca. 5 mi E Apizaco, 19.41°N, 98.14°W, 7898 ft, 24 June 1979, F.W. Gould 15647 (MICH-1119166, RSA-POM-486239); carretera Tlaxco-Chimiahuapan, limite entre Tlaxcala y Puebla, [19.73°N, 98.07°W], 2900 m, 10 August 1983, Guerrero, Romero, Contreras, Rodríguez & de la Mora 686 (MEXU-1099501); Mpio. Terrenate, camino Zapata-Villarreal, [19.47°N, 97.92°W], 3000m, 18 January 1990, L. Ordoñez 8 (MEXU- 1099502); San Sebastián, near Santa Ana, 19.3167°N, 98.1833°W, 2400 m, 15 November 1906, G. Arséne s.n. (US-1000499). Veracruz: ca. 14 mi SW of Mendoza, 19.43°N, 96.68°W, 2042 m, 17 August 1953, J.R. Reeder & C.G. Reeder 2007 (RSA-POM-287184, US-2473567); ca. 7 mi Wof Las Vigas on road from Jalapa to Puebla, 19.6333°N, 97.1833°W, 1 August 1950, J.R. Reeder & C.G. Reeder 1578 (RSA-POM-253280, US-2473572); Cumbre de Acultzingo, 4 km SW of Acultzingo on Hwy. 150 at km 283, 18.6667°N, 97.3333°W, 1700 m, 17 August 1965, K. Roe, E. Roe & S. Mori 1280 (MICH-1119246, US-3115422); Mpio. Acajete, 1 km al Ede Acajete, 19.5861°N, 97°W, 1950 m, 15 September 1991, H.R. Sandoval 88 (MEXU); Mpio. Acultzingo, along old Hwy. MEX 150, 1.5 km above and WSW of Acultzingo, 18.7083°N, 97.3333°W, 1750 m, 8 February 1984, M. Nee & K. Taylor 29487 (F-1988240); Mpio. Altotonga, 1.5 km Wof Orilla del Monte, 14 km (by air) NW of town of Perote, 19.6667°N, 97.25°W, 2360 m, 30 November 1981, M. Nee 23492 (F-1973840); Mpio. Jalacingo, km 2 de la

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carretera estatal Jalacingo Altotonga, comunidad Ahuacatán, [19.81°N, 97.31°W], 1860 m, 14 July 1996, M. G . Cano 139 ( MEXU-1099498 ); Mpio. Perote, 1.5 km Nof Tenextepec and 5.5 km SSE of Guadalupe Victoria, 19.5°N, 97.25°W, 2450 m, 7 November 1981, M . Nee 22858 (F-1975232, MO, NY); Mpio. Perote , Nslopes of Cofre de Perote , vicinity of village of Conejos, 14 km (by road) SE of town of Perote, along road to televisión towers on summit of Cofre de Perote, [19.52°N, 97.18°W], 3150 m, 8 July 1980, B.F. Hansen & M . Nee 7709 (F- 1912041); Mt. Orizaba , 19.03°N, 97.27°W, 10000 ft, 8 August 1891, H. E . Seaton 189 (F-266582, GH); Orizaba , 19.0167°N, 97.22°W, Botteri 726 ( GH, US-1009522 ) & 727 ( GH) Schaffner 734 ( US-865503 ); Orizaba, Río Blanco, 18.8333°N, 97.15°W, 1219 m, 23–25 August 1910, A. S . Hitchcock 6332 ( US-1009523 ); Mpio. Chiconquiaco, Arriba de Chocoyul, 19.1278°N, 94.8667°W, 100 m, 25 July 1989, C . Gutierrez B . 3546 ( NY); Mpio. Villa Aldama , 1 km SE of Villa Aldama, 19.1139°N, 97.0000°W, 2275 m, 19 August 1986, M . Nee 32840 ( NY). Zacatecas : 15 (air) mi NE of Estación Camacho on NW slopes near granitic summit of Pico de Teyra , [23.55°N, 102.1667°W], 8000 ft, 23 September 1973, J . Henrickson 13461 ( NY, RSA-POM-664573 ); 15 (air) mi NE of Estación Camacho , NW and just below summit of Pico de Teyra , [24.55°N, 102.1667°W], 8700 ft, 23 September 1973, J . Henrickson 13484 ( RSA-POM-664418 ); 4 mi Nof Zacatecas , 22.84°N, 102.58°W, 2469 m, 24 September 1959, T. R . Soderstrom 715 ( US-2378359 ); Mpio. Guadalupe, km 19.7 de la carretera Guadalupe - Genaro Codina, 2350 m, 9 October 1989, J. J . Balleza C . 2509 ( ANSM); Mpio. Valparaíso , 27 km al Nde San Juan Capistrano, por recha a Sta. Lucía de la Sierra Límite entre los estados de Zacatecas y Durango, 2100 m, 28 September 1988, J. J . Balleza C . 2042 ( ANSM); Mpio. Valparaíso , Ejido de Santa Lucía de la Sierra, [22.4692°N, 104.2203°W], 27 September 1989, J. J . Balleza C . 2351 ( ANSM); Mpio. Zacatecas , Cerro de la Virgen, 2490 m, 10 August 1988, J . Balleza C . 1579 ( ANSM); Mpio. Zacatecas , km 15.5 carretera Zacatecas-Guadalajara, terrenos de la Escule de Agronomía de la U. A. Z., 2350 m, J . Balleza C . 1593 ( ANSM); Sierra Los Cardos , 10.7 mi NW of Jerez, Wof El Cargadero on road to Monte de los Garcia , 22.7084°N, 103.13°W, 2535 m, 19 October 2007, P. M . Peterson, J. M . Saarela & D. Stancik 21424 ( CAN, MO, US); Zacatecas , 22.7833°N, 102.5833°W, 2286 m, 3–4 October 1910, A. S . Hitchcock 7505 ( US-1009534 ); Nof Fresnillo, rumbo a Durango , 23.61°N, 103.11°W, 5 Sepember 1981, A. A . Beetle M-7454 ( MICH-1119161 , RSA-POM-303027 , SD-122029 ) ;

Figures

FIGURE 15. Bromus carinatus var. carinatus. A. Spikelet. B. Lemma. C. Inflorescence. D. Ligule. Bromus carinatus var. marginatus. E. Spikelet. F. Lemma. G. Inflorescence. Illustration by C.T. Roché, reproduced from Barkworth et al. (2007) with permission.

FIGURE 18. Bromus carinatus var. marginatus growing in a grassy wet meadow with Nassella tenuissima (Trinius 1836a: 36) Barkworth (1990: 612), Muhlenbergia wrightii Vasey ex Coulter (1885: 1885) and Bromus catharticus, surrounded by a forest of Pinus and Quercus in Maderas del Carmen, Coahuila, México (Peterson et al. 20971). Photo: J.M. Saarela.

FIGURE 19. Bromus carinatus var. marginatus. McVaugh 17563 (MICH-1119169).

FIGURE 20. Geographical distribution of Bromus carinatus var. marginatus in México and Central America.