Dichostereum pallescens (Schwein.) Boidin & Lanq.
no common name
Lachnocladiaceae

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

Introduction to the Macrofungi

Photograph

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Map

E-Flora BC Static Map

Distribution of Dichostereum pallescens
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Species Information

Summary:
Features include 1) growth on wood of conifers and hardwoods, 2) relatively thick fruitbodies with a smooth to somewhat warted surface that is minutely powdery, the margin abrupt, 3) spores that are 6-7.5 x 5.5-6.5 microns with a prominent oblique apiculus, pale yellow, amyloid, with warts often joined by fine lines, 4) dichophyses that are golden yellow to yellowish brown, bearing 1-2 clusters of short dichotomous branches with acute apices, and 5) hyphae with clamp connections.
Microscopic:
SPORES 5-7 x 5-6 microns, round or nearly round, with prominent, oblique apiculus, pale yellow, episporium about 0.5 microns thick, "surrounded by a continuous or interrupted amyloid exosporium which may be smooth or organized into warts", warts up to 1 micron high, "often joined by fine lines into a semi-reticulate pattern"; fruitbody with several strata, filled with dichophyses and crystalline material; BASIDIA 4-spored, up to 62 microns long, sterigmata straight or slightly curved, about 5 microns long; dichophyses "golden yellow to yellowish brown, bearing 1-2 clusters of short dichotomous branches with acute apices", terminal branches may be dendrophysoid; hyphae about 2-4 microns wide, colorless to slightly tinted, thin-walled, with clamp connections, (Welden), SPORES 6-7.5 x 5.5-6.5 microns, (Castellano)
Notes:
Dichostereum pallescens has been found in BC, WA, OR, ON, AL, AZ, CA, DC, FL, GA, IL, LA, MA, MD, ME, MO, NC, NH, NY, PA, RI, TN, TX, VA, VT, and WI, (Ginns), and also Grenada (Welden).

Habitat and Range

SIMILAR SPECIES
Dichostereum boreale has spores measuring 4-6 x 3-4 microns and less highly ornamented (Castellano(1)). Dichostereum effuscatum has gloeocystidia, (Castellano(1)).
Habitat
on fallen wood, (Welden), Acer saccharum (Sugar Maple), Alnus oblongifolia (Arizona Alder), Betula alleghaniensis (Yellow Birch), Betula papyrifera (Paper Birch), Castanea dentata (American Chestnut), Pinus echinata (Shortleaf Pine), Pinus palustris (Longleaf Pine), Pseudotsuga menziesii (Douglas-fir), Quercus rubra (Northern Red Oak), Rubus spectabilis (salmonberry), Thuja plicata (Western Red-cedar), Tsuga heterophylla (Western Hemlock), Ulmus americana (American Elm); logs; old logs, stumps; dead roots; fallen wood; associated with a white rot, (Ginns)