Humidicutis (Singer)

Cardoso, Juli Simon, Moncalvo, Jean-Marc, Lodge, D. Jean, Margaritescu, Simona, Neves, Maria Alice & Oliveira, Jadson J. S., 2023, Studies in Hygrocybe s. l. (Hygrocyboideae, Hygrophoraceae) in Brazil: New species of Humidicutis and Neohygrocybe, Phytotaxa 607 (1), pp. 57-71 : 67-68

publication ID

https://doi.org/ 10.11646/phytotaxa.607.1.5

DOI

https://doi.org/10.5281/zenodo.8225816

persistent identifier

https://treatment.plazi.org/id/03A287B2-E41C-FFCB-63B5-FE89FA3F9256

treatment provided by

Plazi

scientific name

Humidicutis
status

 

Key to species of Humidicutis View in CoL View at ENA worldwide, including un-named species

1. Occurring in the Austral-Pacific.......................................................................................................................................................15

1’. Occurring in the Americas..................................................................................................................................................................2

2. Pileus not orange-yellow, golden yellow or buff yellow....................................................................................................................4

2’. North American, pileus orange-yellow, golden yellow to buff yellow ..............................................................................................3

3. Odour skunk-like when drying; mean spore length 7.3 µm ................................................................................ Hum. auratocephala View in CoL

3’. Odour not distinct; mean spores longer, 8–8.2 µm.............................................................................. Hum. marginata var. concolor View in CoL

4. Occurring in North America; lamellae orange or pinkish orange ......................................................................................................5

4’. Occurring in Central or South America or the Caribbean Basin........................................................................................................6

5. Pileus entirely or partly orange, without green tints.......................................................................... Hum. marginata var. marginata View in CoL

5’. Pileus olive green, olive brown or brick red in centre with orange margin or entirely tawny olive; bright orange lamellae .............. .............................................................................................................................................................. Hum. marginata var. olivacea

6. Occurring in Central America or Caribbean, pileus shades of vinaceous ..........................................................................................7

6’. Occurring in South America; pileus not vinaceous but may be pale pink........................................................................................12

7. In Puerto Rico, Caribbean, Greater Antilles, rosey vinaceous or vinaceous......................................................................................8

7’. In Central America, Pileus darker, deep magenta or vinaceous brown ..............................................................................................9

8. Pileus and lamellae entirely rosey vinaceous; basidiospores up to 10.4 µm long; in rain forest above 400 m asl; GenBank KF291146, KF291147; CFMR-PR-4715 .............................................................................................................................................. Hum. sp. 1

8’. Pileus rosey vinaceous or vinaceous with a pale margin; lamellae white or pale pink; basidiospores <8.5 µm long; in mid-elevation wet forest below 400 m asl; GenBank KF291150, KF291151; CFMR PR-6524 .............................................................. Hum. sp. 2

9. Pileus deep magenta, umbo rounded, lamellae vinaceous; in cloud forest, Belize; GenBank KF291110, KF291111, KF291112; CFMR BZ-3923.................................................................................................................................................................. Hum. sp. 3

9’. Pileus greyish pink or deep vinaceous brown, umbo acute, lamellae paler, white pale vinaceous pink or light grey-brown .........10

10. Young pileus deep vinaceous brown, lamellae light grey-brown or pale vinaceous pink, in Central Mexico. Hum. brunneovinacea View in CoL

10. Pileus rose, greyish rose colour; lamellae white, in Panama.................................................................................... Hum. roseorubra View in CoL

12. Pileus rose pink or greyish rose, robust, 20–60 mm, in S. Am. & New Zealand............................................................ Hum. rosella

12’. Pileus not pink, smaller, up to 35 mm diam. ....................................................................................................................................13

13. Pileus entirely orange, apex acute; in Ecuador.................................................................................................... Hum. dictyocephala

13’. Pileus and lamellae green or partly green; apex rounded.................................................................................................................14

14. Pileus and lamellae green with orange margin, 22–35 mm; in Brazil..................................................................... Hum. pindorama

14’. Pileus smaller, mycenoid, purple in centre with yellow-green margin; buff yellow stipe & lamellar margin; in Chile (coll. J. Thornhill)............................................................................................................................................................................ #FFCL860

15. Pileus and lamellae reddish brown; in New Zealand................................................................................................. Hum. conspicua

15’. Pileus and lamellae not both reddish brown.....................................................................................................................................16

16. Pileus and lamellae rose pink or greyish rose; in New Zealand...................................................................................... Hum. rosella

16’. Pileus and lamellae not pink.............................................................................................................................................................17

17. Pileus with green and reddish or yellowish brown; lamellae greenish or orangish yellow or yellow ochre colour ........................18

17’. Pileus green or another colour but lacking reddish or yellowish brown ..........................................................................................19

18. Stipe pinkish orange or yellow; pileipellis hyphae with rounded ends, not encrusted; spores 6–8 × 3.5–4.5 µm; in New Zealand... .................................................................................................................................................................................. Hum. luteovirens View in CoL

18’ Stipe green; pileus and stipe may have a purple tint; pileipellis hyphae with acute ends, encrusted with pigment; spores larger, 7.5–9.5 × 4.5–6.3 µm; in Australia.......................................................................................................................... Hum. arcohastata View in CoL

19. Pileus and stipe green; lamellae bright orange; in Australia........................................................................................... Hum. taekeri View in CoL

19’ Pileus and stipe colour combination different ..................................................................................................................................20

20. Pileus olive or bottle green, may have buff or orange-brown color .................................................................................................21

20’. Pileus without olive or bottle green..................................................................................................................................................22

21. Basidiomes all green; helical-encrusted pileipellis hyphae........................................................................................ Hum. helicoides View in CoL

21’. Basidiomes not entirely green; pileipellis hyphae lack helical encrustations ..................................................................................22

22. Lamellae narrowly attached; toruloid clamps on basidia rare or absent ..........................................................................................23

22’. Lamellae broadly attached; clamps on basidia often toruloid (open-loop) ......................................................................................24

23. Pileus green or orange-brown; lamellae yellow; pileipellis hyphae typical, lacking swollen ends ................................ Hum. woodii View in CoL

23’ Pileus vinaceous brown, lamellae white or light brown-tinted; pileipellis hyphal ends swollen or subglobose ................................. ...................................................................................................................................................................... Hygrocybe badioclavata View in CoL

24. Pileus magenta, vinaceous or red colours, may have green; in Australia.........................................................................................25

24’. Pileus without magenta, vinaceous or cherry red colours ................................................................................................................26

25. Lamellae yellow; stipe blue above, magenta below........................................................................................... Hum. viridimagentea View in CoL

25’. Lamellae olive green, vinaceous; stipe red, turning green ............................................................................................. Hum. bagleyi

26. Pileus lilac; lamellae malachite green; stipe lilac; in Australia........................................................................... Hum. lilacinoviridis

26’. Basidiome colour combinations not as above ..................................................................................................................................27

27. Pileus dark green with blue-green and lilac; in New Zealand................................................................................... Hum. multicolor View in CoL

27’. Colour combination not as above; in Hawaii ...................................................................................................................................28

28. Pileus and lamella pale orange, orange rufus, flesh colour; stipe white.......................................................................... Hum. peleae

28’. Basidiomes entirely deep yellow.................................................................................................................................... Hum. poilena

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