Physarum virescens var. obscurum Lister, Monogr.

Lado, Carlos & Basanta, Diana Wrigley De, 2018, Typification of the myxomycete taxa described by the Listers and preserved at the Natural History Museum, London (BM), Phytotaxa 341 (1), pp. 448-450 : 448-450

publication ID

https://doi.org/ 10.11646/phytotaxa.341.1.1

persistent identifier

https://treatment.plazi.org/id/710DDF7F-FF82-3D0C-30A9-FB6FFCEC904B

treatment provided by

Felipe

scientific name

Physarum virescens var. obscurum Lister, Monogr.
status

 

Physarum virescens var. obscurum Lister, Monogr. View in CoL mycetozoa, ed. 1, 59. 1894

Physarum obscurum (Lister) Ing, Trans. Brit. Mycol. Soc. View in CoL 78(3): 445. 1982

Lectotypus (designated by Ing, Trans. Brit. Mycol. Soc. 78: 445. 1982): UNITED KINGDOM. England, Devon, Charton Plantation , 50.716ºN 2.2998ºW, larch plantation, 27 Nov 1891, A. Lister ( BM 1257 !, BM001089737 ) GoogleMaps . Isolectotypus: UNITED KINGDOM. England, Devon, Charton Plantation , 50.716ºN 2.2998ºW, larch plantation, 27 Nov 1891, A. Lister ( BM 787 !, BM001089738 ) GoogleMaps . Syntypus: UNITED KINGDOM. England, Dorset, Lyme Regis , 50.725ºN 2.940ºW, Nov 1891, A. Lister (two slides L:B.M.37!, a dry mount, engraved 123, BM001089175 , and a slide engraved 126, BM001089176 ) GoogleMaps . Syntypus: UNITED KINGDOM. England, Devon, Charton Plantation , 50.716ºN 2.2998ºW, 4 Nov 1891 ( BM 785 !, BM001247134 ) GoogleMaps . Syntypus :: UNITED KINGDOM. England, Devon, Charton Plantation , 50.716ºN 2.2998ºW, 4 Nov 1891 ( BM 786 !, BM001247136 ) GoogleMaps .

BM 1257 / Charton Plantation, S. Devon, England, 27 Nov. 1891, A. Lister/ BM001089737 [sheet label: “BM 1257/ Physarum virescens Ditm. / ss. obscurum/ larch plantation/ Charton, Lyme Regis/ leg. Lister Nov 27. 1891 ”]. [BM] 787 / Physarum virescens Ditm. / var. obscurum / Charton Plantn./ 27.XI.91/ N.V.p.19/ BM001089738. [In the same box there is another specimen from a different locality and date later than the publication]. L:B.M.37 one dry mount engraved 123/ Physarum / virescens/ Ditmar,/ ss. obscurum/ Lyme Regis, Dorset / XI.1891 / leg. Lister / Lister coll./ Mycetozoa./ Recd. 1894/ BM001089175 + one slide engraved 126/ BM001089176. [BM] 785 / Physarum virescens / var. obscurum / Charton Pln., Nov 4.91/ N.V.p.19/ BM001247134. [BM] 786 / Physarum virescens / var. obscurum / Charton Pln., Nov 4.91/ BM001247136 [In the same box there are two specimens from different localities and dates later than the publication].

NOTES: Lister (1894: 60) referred to two specimens “Lyme Regis, Dorset (L:B.M.37)” and “ Hungary (K 1529)”. In

BM we located specimen (BM 1257) designated as the lectotype by Ing (1982), when he raised the variety to species rank. We also located another box (BM 787) from the same place and date and with comments in notebook V: 19,

which we consider to be an isolectotype. There is another specimen in the same box marked with the letter A from a different place and date. There are also 2 slides (L:B.M.37), one a dry mount and the other a prepared slide, that are of material cited by Lister, so we consider them to be syntypes. There are other boxes from the same locality, collected on different days in November 1891, which we consider to be syntypes. There are notes in notebook V: 18–20.

In K (http://apps.kew.org/herbtrack/results) there is a specimen [K 171271, England, on dead leaf, anon. (ex herb.

H.J. Howard)] that may be part of type material but has no date.

Kingdom

Protozoa

Phylum

Mycetozoa

Class

Myxomycetes

Order

Physarales

Family

Physaraceae

Genus

Physarum

Loc

Physarum virescens var. obscurum Lister, Monogr.

Lado, Carlos & Basanta, Diana Wrigley De 2018
2018
Loc

Physarum obscurum (Lister) Ing, Trans. Brit. Mycol. Soc.

Ing 1982: 445
1982
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