Didymium clavodecus K.D. Whitney, Mycologia

Lado, Carlos & Basanta, Diana Wrigley De, 2024, The type material in the David W. Mitchell myxomycete collection at the Royal Botanic Garden, Kew, Phytotaxa 649 (2), pp. 135-158 : 146

Didymium clavodecus K.D. Whitney, Mycologia 71(6):1257 (1980)

Paratypus: USA. California, Sonoma Co., leaf litter, Dec 1976, leg. K.D. Whitney 117, DWM 3769 [one box, K-M001435087], ( Fig. 3H ).

Notes. When Whitney (1980: 1258) described this species, two samples were mentioned under collections examined, the type “KDW 414” that is in BPI 815690, and “KDW 117”, of which Mitchell’s material is a duplicate. There are two isotypes in NY 00834431 and BPI 805584.

* Didymium inconspicuum Nann. -Bremek. & D.W. Mitch., in Nannenga-Bremekamp, Proc. Kon. Ned. Akad. Wetensch., C. 92(4):508 (1989)

Holotypus: USA. Arizona, near Wickenberg, on bark of desert shrub in moist chamber, 16 Apr 1987, leg. S. Farmer-Hale, D.W. Mitchell 4430 [two boxes + one slide, K-M001435084], ( Fig. 3I ).

Notes. In Mitchell’s collection there are two boxes, the holotype and one with “duplicate” handwritten on it. There is an isotype in the Nannenga-Bremekamp collection as no. 15603, currently in BR5020069431763.

Didymium rubeopus var. albocapillitium G. Moreno, A. Castillo, Illana & Lizárraga, Cryptog. Mycol. 18(4):318 (1997)

Paratypus: FRANCE. Roquemaure-Aire autoroute, Tavel Sud (84), feuilles mortes de Quercus ilex , 22 Apr 1996, leg. M. Meyer 16307, DWM 6400 [one box, K-M) ( Figs. 3J‒K ).

Notes. This material is one of those mentioned by Moreno et al. (1997: 318) in “Collections examined”. The holotype is from Spain and is in AH 16379.

Figures

FIGURE 3. A–N. Photographs of type material from Cribraria filiformis to Echinostelium arboreum.