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

Hyphodontia alutaria (Burt) J. Erikss.
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 Hyphodontia alutaria
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Species Information

features include 1) resupinate growth on wood, 2) soft and somewhat waxy fruitbody that becomes firmer and somewhat crustaceous, color pale yellowish to pale ochraceous, surface smooth becoming tuberculate to grandinioid with hemispheric papillae, margin indeterminate, in the periphery pruinose, 3) spores elliptic, smooth, and inamyloid, 4) cystidia of 2 types, both numerous: a) projecting, similar to hyphae, with rounded head (normally resinous-encrusted) and rounded enlargements and constrictions along their lengths, and 0-several clamped septa, b) lagenocystidia each consisting of a hypha ending in a needle-like tip that is characteristically encrusted, and 5) hyphae monomitic, richly branched, cyanophilic, with clamp connections; found in BC, AK, Costa Rica, Argentina, Austria, Germany, Sweden, Tanzania, Taiwan, Thailand, (Langer), MB, AZ, CO, MI, MN, MT, NC, NM, TN, VA, VT, (Ginns), Denmark, Finland, (Eriksson), Switzerland (Breitenbach)
Fruiting body:
resupinate, effused [spread out], adnate [firmly attached], when young and moist, soft and subceraceous [somewhat waxy] and easily squeezed, when mature firmer, subcrustaceous; at first pale yellowish, then pale ochraceous; at first almost smooth, under a
SPORE 4.5-5 x 3-3.5 microns, elliptic, smooth, inamyloid, thin-walled, mostly with 1 droplet at least in fresh material; BASIDIA 4-spored, 15-17 x 4-5 microns, at first subclavate then more or less cylindric, often sinuous, "with a slight or more often obvious, median, suburniform constriction", "walls cyanophilic, basally slightly thickened", basidia with basal clamp connection; CYSTIDIA of 2 types, both numerous, 1) mostly 50-80 x 5-7 microns (but sometimes larger), projecting, little differentiated from hyphae, with 0 to several clamped septa, somewhat thick-walled, "usually with an apical rounded head that is normally covered by a resinous encrustation", moreover with rounded enlargements and constrictions along their lengths, and 2) lagenocystidia, not or only slightly projecting, that "consist of hyphal ends, abruptly ending in a needle-like part, which apically is provided with a characteristic encrustation, in post-mature specimens, however, disappearing, in which case the lagenocystidia may be more difficult to observe"; both types of cystidia and especially the needle of the lagenocystidia cyanophilic; HYPHAE monomitic, richly branched, stainable in cotton-blue, with clamp connections at all septa, mostly 2-3 microns wide, the basal hyphae "distinct and somewhat thick-walled, yellowish", the subhymenial hyphae colorless, denser and thinner, (Eriksson), SPORE 5-6 x 4-4.5(5) microns, oval, smooth, inamyloid, colorless; BASIDIA 4-spored, 20-26 x 4.5-6 microns, narrowly clavate, with basal clamp connection; CYSTIDIA of 2 types: 1) septocystidia 60-90 x 3.5-5 microns, cylindric, hypha-like, rather thick-walled, often with 2-3 septa that have clamp connections, and 2) lagenocystidia subulate [awl-shaped] to ventricose, usually with encrusted tips, 20-35 x 2-3 microns; HYPHAE monomitic, 2-4 microns wide, +/- thick-walled, septa with clamp connections, (Breitenbach)

Habitat / Range

on Abies (fir), Betula (birch), Larix (larch), Picea (spruce), Pinus (pine), Populus, Thuja; on bark; branch; live tree trunk; stump; log; trail stairway; associated with a white rot, (Ginns), on decayed wood, especially of conifers (Picea, Pinus, Juniperus - juniper), (Eriksson), on rotten wood of conifers, according to the literature more rarely also of hardwoods; summer to fall, (Breitenbach), all year (Buczacki)

Synonyms and Alternate Names

Peniophora alutaria Burt

Taxonomic and Nomenclatural Links

Additional Range and Status Information Links

Additional Photo Sources

Related Databases

Species References

Eriksson(4), Breitenbach(2), Langer(1), Ginns(5), Buczacki(1)*

References for the fungi

General References