E-Flora BC: Electronic Atlas of the Flora of British Columbia

Tremella papuana Diederich
no common name

Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.

Introduction to the Macrofungi
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Distribution of Tremella papuana
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Species Information

minute disc-like to cushion-shaped fruitbodies on Hypogymnia lichen that are whitish or pale grayish brown when young, becoming almost black when old, waxy-gelatinous in consistency, identified by microscopic characters; description derived from Diederich(1) except where noted; found in BC (Diederich(2)), Papua New Guinea (Diederich(1))
Fruiting body:
fruitbodies 0.02-0.05cm across, applanate [flat] to pulvinate [cushion-shaped], discoid; whitish or pale grayish brown when young, becoming almost black when old, always darker in center; shiny; consistency waxy-gelatinous
spores 6-7.5 x 3.5-6 microns, elliptic, with a large apiculus; basidia 2-spored, 11-15 x 6.5-8.5 microns, when mature tremelloid, ellipsoid, with one longitudinal or slightly oblique septum, the two cells sometimes not equal in size, epibasidia 1.5-2.5 microns wide, at least 30 microns long; hymenium colorless, "containing numerous probasidia, strongly gelatinised", probasidial initials ellipsoid, proliferations occurring through the basal clamp connections; hyphidia and cystidia absent; hyphae of context 1-2 microns wide, clamp connections not observed, fertile hyphae 2.5-3.5 microns wide, thick-walled, with clamp connections; haustorial branches tremelloid, with clamp connections, mother cell 2-3 microns in diam, subspherical; anamorph unknown

Habitat / Range

on the lichen Hypogymnia imshaugii (Diederich(2)), on thallus of Hypogymnia pseudobitteriana (Awasthi) Awasthi, (Diederich(1))

Taxonomic and Nomenclatural Links

Additional Range and Status Information Links

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Related Databases

Species References

Diederich(1), Diederich(2)

References for the fungi

General References