Features include a small cup with white flexuous [wavy] hairs on the exterior and the margin, a bright orange-yellow upper surface, a short stem, gregarious growth on bark and wood of conifers, and microscopic characters. This is the most common Lachnellula in the Pacific Northwest (Trudell(4)). It is found in WA (Kanouse), NF, CO, MT, and PA, (Seaver). There are collections from BC at the Pacific Forestry Centre and (as Dasyscyphus) the University of British Columbia.
reaching 0.4cm across but often much smaller, at first nearly spherical, becoming expanded and shallow cup-shaped, or nearly flat; spore bearing surface bright orange-yellow; margin fringed with white hairs, (Seaver), creamy yellow (Trudell)
with white flexuose hairs (Seaver), white or pale yellow (Trudell)
NamingDasyscyphus agassizii (Berk. & M.A. Curtis) Sacc. [as Dasyscypha]
Lachnella agassizii (Berk. & M.A. Curtis) Seaver
Habitatgregarious on bark and wood of conifers (Seaver), on branches of Abies (fir), Pinus (pine), and Tsuga (hemlock), (Trudell)
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