Summary:
Tremella lethariae produces minute fruitbodies inducing gall formation. It is convex, colored like the thallus or brownish, becoming orange brown when mature. It is identified by microscopic characters including 2-4-celled, non-stalked basidia.
Tremella lethariae is found in BC and CA .
Fruiting body:
fruitbodies inducing gall formation, convex, colored as thallus or brownish, 0.02-0.05cm in diam, (Diederich(1)), fruitbodies can reach 0.15cm in diam, base not constricted, fruitbodies get orange brown at maturity, (Diederich(2))
Microscopic:
spores 6-8 x 5.5-7.5 microns, elliptic to nearly round, with a distinct apiculus; basidia 4-spored, when mature with longitudinal septa, 15-20 x 10-16 microns, epibasidia subcylindric, at least 30 microns long, 2-4.5 microns wide; hymenium containing numerous probasidia, probasidial initials subspherical, clamp connections not observed; hyphidia and cystidia absent; fertile hyphae 3.5-4.5 microns in diameter, clamp connections not observed; anamorph unknown, (Diederich(1)), 2-4-spored basidia, with basal clamp connection (Diederich(2))
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