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Species Information
Summary: Features include a minute, honey-yellow to brown basidiomycete fruitbody that is broadly tubular to narrowly cup-shaped with a cream to yellowish inner spore-bearing surface, external hairs incrusted by granules, and microscopic characters. The synonymy of Cyphella mellea Burt according to W.B. Cooke is disputed by Reid on the basis that it has very broadly ellipsoid-ovate spores 4.5-7 x 3.5-5.25 microns.
The distribution is BC, WA, and also MB, NS, ON, AL, CA, CO, DE, FL, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, NE, NC, NJ, NY, OH, PA, TN, and WV, (Ginns), and Cuba, Argentina, Brazil, Venezuela, Austria, Czechoslovakia, France, Germany, Hungary, Italy, Latvia, Poland, Russia, Sweden, United Kingdom, Indonesia, Sri Lanka, Algeria, and Australia, (Cooke, but note that Reid states all of the Kew Herbarium collections determined by Cooke as this species in fact belonged to the taxa that Cooke places under Cyphellopsis anomala).
Upper surface: 0.05-0.3cm high, 0.02-0.06cm across, broadly tubular to narrowly cup-shaped, inner surface cream to yellowish, (Cooke)
Underside: honey-yellow to brown, with hairs incrusted with granules on outer half, (Cooke)
Stem: no stem or short stem (Cooke)
Microscopic: colorless spores 4.75-7.5 x 3.2-4.2 microns with a few brown spores present 7.2-7.5 x 4-4.2 microns, elliptic (not ovate), and in another collection 6.2-7.2 x (3)3.75-4.2 microns, elliptic, all colorless; hairs bluntly rounded at apex, (Reid), spores (5)6-8(10.5) x 3-5.5 microns, ovate, smooth, contents granular, giving the appearance of a rough wall at lower magnifications, at first colorless, some becoming brown after spore discharge, in some collections more than half the spores brown; basidia 4-spored, 13.5-24 x 5-7 microns; surface hairs 50-150 x 3-6 microns, straight, brown, appressed, smooth in lower part, granule-incrusted on outer half to two-thirds of length, tapered to a point, (Cooke)
Habitat / Range
scattered to closely gregarious on rotting wood and litter of many genera of hardwood trees and shrubs, (Cooke), on rotten wood, decayed stump, rotting litter, on Acer macrophyllum, Fagus grandifolia, Populus trichocarpa, Salix nigra, Salix scouleriana, (Ginns)
Similar Species
Merismodes anomala has different spores, and usually darker colored fruitbodies with somewhat different-shaped hairs, (Cooke, but note Reid''s claim that Cooke has misidentified Cyphellopsis anomala = Merismodes anomala collections as this species).
