Tremellodendropsis tuberosa (Grev.) D.A. Crawford
no common name
Tremellodendropsidaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
no common name
Tremellodendropsidaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
Map
Distribution of Tremellodendropsis tuberosa
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Species Information
Summary:
Features include 1) a whitish to brownish or grayish fruitbody with flattened, tough-leathery, more or less erect, pale-tipped branches, 2) a tough stem up to half the height of fruitbody, 3) growth on the ground, and 4) microscopic characters including basidia that are partially septate longitudinally at their tips.
Odor:
none (Corner(2))
Taste:
none (Corner(2))
Microscopic:
spores 13-20 x 4.5-6.5 microns, elongate-elliptic or spindle-shaped, smooth; many or all of the basidia "appearing partially septate (partitioned) longitudinally at their apices", (Arora), spores (12)14-20(24) x (4)5-7(9) microns, elongate elliptic, subfusoid or subcylindric, "blunt or subacute, attenuate to the oblique apiculus", smooth, "granular-vacuolate or minutely guttulate"; basidia according to Bourdot & Galzin dimorphic, 1) 50-90 x 8-10 microns, with 2-3-4, mostly 4, normal sterigmata 7.5-10 microns long, 2) 30-60 x 13-18 microns, sub-Tremellaceous, 2-4-lobed at apex with each lobe prolonged into a stout sterigma up to 18 x 3 microns and often septate about the middle, but Corner examined a collection with only one kind of basidia, 70-110 x 12.5-14 with 2-4 sterigmata 6-10 x 4-5 microns, the basidia "normally clavate until the emergence of the stout sterigmata caused them to become depressed at the apex and to appear shortly longitudinally (but incompletely) septate"; cystidia none; hymenium thickening to 200 microns, hyphae 2-5 microns wide, "cylindric, not inflated, walls slightly thickened, long-celled", clamped at every septum according to Corner for Clavaria gigaspora, occasionally clamped according to Bourdot & Galzin, or without clamp connections according to Coker, (Corner(2)), spores 12-20 x 5-9 microns, generally elliptic to somewhat spindle-shaped or almond-shaped, borne on basidia that are divided lengthwise, at least near their tips, (Trudell)
Spore Deposit:
white (Arora)
Notes:
There are collections from BC at the University of British Columbia. It has been reported from WA (N. Siegel and D. Miller pers. comm.), and is fairly common along the Pacific Coast according to Trudell(4). It is fairly common in coastal CA according to Arora(1). There are also reports from NC, NY, PA, Bermuda, Finland, Spain, Sweden, United Kingdom, China, and Japan, (Corner(2)), and Bolivia, Brazil, and Borneo, (Corner(3)).
Habitat and Range
SIMILAR SPECIES
Lentaria byssiseda ''is a rather similar whitish to pinkish-tan species that often grows on wood, has less flattened branches, "normal" basidia, and white mycelial threads at the base of the stalk'', (Arora, who discusses its occurrence in California). Tremellodendron species have not been confirmed from the Pacific Northwest - they can be similar but have longitudinally partitioned basidia as well as a typically subgelatinous hymenium with branching hyphidia, lacking cystidia and without clamp connections; the fruitbodies are erect, subfleshy to leathery, and occasionally club-shaped but usually branching freely, and they are extremely variable in habit of growth, color, and size, (Bodman).Habitat
single or in groups on ground in woods or clearings, (Arora), single, gregarious, or cespitose [in tufts], on the ground in the forest, "or among grass, moss, or on bare soil in the open", (Corner(2)), late summer to fall (Buczacki)
Status Information
Synonyms
Synonyms and Alternate Names:
Aphelaria tuberosa (Grev.) Corner
Clavaria gigaspora Cotton
Merisma tuberosum Grev.
Oligoporus undosus (Peck) Gilb. & Ryvarden
Polyozus contortus (P. Karst.) P. Karst.
Postia undosa (Peck) Julich
Stereum tuberosum (Grev.) Massee
Thelephora contorta P. Karst.
Thelephora tuberosa (Grev.) Fr.