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

Tremella papuana Diederich
no common name
Tremellaceae

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

Summary:
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
Microscopic:
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

Additional Photo Sources

Related Databases

Species References

Diederich(1), Diederich(2)

References for the fungi

General References