The type material in the David W. Mitchell myxomycete collection at the Royal Botanic Garden, Kew Author Lado, Carlos 0000-0002-6135-2873 Real Jardín Botánico, CSIC, Plaza de Murillo 2, 28014 Madrid (Spain) Author Basanta, Diana Wrigley De 0000-0002-7700-8399 Real Jardín Botánico, CSIC, Plaza de Murillo 2, 28014 Madrid (Spain) text Phytotaxa 2024 2024-05-20 649 2 135 158 http://dx.doi.org/10.11646/phytotaxa.649.2.1 journal article 10.11646/phytotaxa.649.2.1 1179-3163 13215967 Echinostelium paucifilum K.D. Whitney, Mycologia 72(5):974 (1980) Isotypus : USA . California , Lassen Co., State Highway 139, 11 miles N of Susanville, on bark of Juniperus occidentalis in moist chamber, 16 Jul 1977 , leg. K.D. Whitney 657, DWM 3771 [one slide, K-M001435036], ( Fig. 4D ). Paratypus : USA . California , Lassen Co., 0.5 miles NE of Eagle Lake Field Station, on bark of Juniperus occidentalis in moist chamber, 18 Jul 1977 , leg. K.D. Whitney 665, DWM 3651 [one slide, K-M001435034], ( Fig. 4D ). Notes. Two slides, an isotype and a paratype , of this minute species are in the Mitchell collection. The holotype is in BPI 819062, and there are two isotypes in BPI 819056 and NY 00834478. FIGURE 4. A–M. Photographs of type material from Echinostelium coelocephalum to Licea eremophila . * Echinostelium vanderpoelii Nann. -Bremek., D.W. Mitch., T.N. Lakh. & R.K. Chopra, Proc. Kon. Ned. Akad. Wetensch. 94(3):411 (1991) Paratypus : AUSTRALIA . Tasmania , Cole’s Bay, near Bicheno, culture of Paper Bark Gum, 13 Mar 1975 , leg. D.W. Mitchell, DWM 1863 [one slide, K-M001435030], ( Fig. 4E ). Notes. This is one of the samples mentioned when Nannenga-Bremekamp et al. (1991: 412) described the species. There is another slide of the same collection deposited in Nannenga Bremekamp’s collection no. 9343. The species is currently considered ( Pando 1997 ) to be a synonym of E. apitectum K.D. Whitney. Lamproderma cacographicum Bozonnet, Mar. Mey. & Poulain, Bull. Féd. Mycol. Dauphiné-Savoie 37(144):117 (1997) Isotypus : FRANCE . Savoie, Val-d’Isère (73), 1900 m , on twigs of living shrubs ( Rhododendron ferrugineum and Salix sp. ) near melting snow, 5 Jun 1993 , leg. F. Meyer, M. Meyer 13526, DWM 5336 [one box, K-M001435022], ( Fig. 4F ). Notes. The material in Mitchell’s collection is a fragment of the holotype conserved in BR5020057700826.