Comatricha pulchella var. gracilis Wingate ex G. Lister

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

Comatricha pulchella var. gracilis Wingate ex G. Lister , in Lister, Monogr. mycetozoa, ed. 2, 156. 1911

≡ Stemonitopsis gracilis (G. Lister) Nann. -Bremek, Nederlandse Myxomyceten (Zutphen) 210. 1975

— Lectotypus (designated here): USA: Philadelphia , Fairmount Park, 40º01’15”N 75º12’46”W, on living leaves and stems, H. Wingate ( BM 1884 !, BM001089752 + one slide BM s.n.!, BM001089148 ) .

[BM] 1884 / Ellis & Everhart. North American Fungi. / Second Series/ 2094. Comatricha gracilis, Wingate , n.s./ On living leaves and stems./ Fairmount Park, Philada., Pa./ Harold Wingate./ C. Persoonii . Rost. SL/ BM001089752 + one slide, BM001089148.

NOTES: Lister (1911: 156) wrote “var. gracilis on dead wood.” and the following collections “Vienna (BM 1831); Ceylon (BM 2616); Cameroons, West Africa (BM 2618); Japan (BM 2617); Philadelphia (BM 1884).” In BM we only found one of these, a box (BM 1884) that is an exsiccata of Ellis & Everhart, North American Fungi, Second Series, from Philadelphia, that is the Wingate material. The variety was based on Comatricha gracilis Wingate issued, without description in Ellis & Everhart, N. Amer. Fungi, Series II: No. 2094, 1888. Wingate’s name is a nom. nud., but G. Lister’s varietal name was, of course, validly published.