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 Phanerochaete citrina
SynonymsPeniophora viticola
BiostatusPresent in region - Indigenous. Endemic
Article: Cunningham, G.H. (1963). The Thelephoraceae of Australia and New Zealand. New Zealand Department of Scientific and Industrial Research, Bulletin 145: 359 p. Wellington:.
Description: Hymenophore annual, membranous, fragile, at first adherent, when old somewhat loosely
attached, effused forming irregular areas to 15 x 7 cm, with a few outlying islands;
hymenial surface mustardyellow, pruinose, often finely papillate, at length scantily
creviced; margin thinning out, fibrillose, concolorous, adherent. Context yellow, 150-250
µm thick, basal layer well developed, of intertwined mainly erect hyphae, more freely
branched in the subhymenium; generative hyphae to 5 µm diameter, walls 0-2 µm thick,
hyaline, branched at a wide angle, without clamp connections, some naked, most encrusted
with coarse hyaline crystals or yellow mucilage granules; the latter coating most of the
hyphae of the subhymenium, forming a deeply coloured zone. Metuloids arising in the
subhymenium, some projecting to 50 µm, cylindrical with rounded apices, a few slightly
irregular, 1-3 transversely septate, 40-75 x 5-7 µm, walls bearing a few mucilage granules
or crystals below apices, some naked. Hymenial layer to 35 µm deep, a close palisade of
basidia, paraphyses, and metuloids. Basidia subclavate or cylindrical; 16-22 x 4.5-5 µm;
bearing 1-2-4 spores; sterigmata slightly arcuate, to 6 µm long. Paraphyses subclavate, 12-16 x 4-4.5 µm. Spores elliptical or suballantoid, apiculate, 4-5-6 x 2.5-3 µm, walls smooth,
hyaline, 0.1 µm thick.
Habitat: HABITAT: Effused on bark or decorticated dead wood.
Distribution: DISTRIBUTION: North America, New Zealand.
Notes: Hyphae of the subhymenium and upper part of the intermediate layer are densely encrusted
with yellow mucilage granules like those of P. filamentosa. Metuloids are commonly
cylindrical with rounded apices, occasionally strangulated, or geniculated, one to three
transversely septate with thin hyaline walls bearing scattered granules or crystals near the
hymenial surface, or naked. Our collection agrees with North American specimens save
that spores are slightly smaller.
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