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Go to the NZFungi website for more indepth information on Collybia dryophila. Collybia dryophila

Biostatus

Present in region - Origin uncertain

Article: Massee, G.E. (1899) [1898]. The fungus flora of New Zealand. Transactions and Proceedings of the New Zealand Institute 31: 282–349 Wellington:.
Description: Pileus convex, then plane, obtuse, centre usually depressed, even, glabrous, dry, reddish-bay or pale-tan, becoming pale, but not hygrophanous, margin incurved at first, then expanded, 2.5-5 cm. across; flesh thin, white, flexible; gills almost free, with a minute decurrent tooth, but appearing as if adnexed when the pileus is depressed, crowded, narrow, distinct, plane, white or pallid; spores elliptic-fusiform, 7-8 x 4 µ; stem 2.5-5 cm. long, 2-4 mm. thick, cartilaginous, distinctly hollow, even, glabrous, somewhat rooting, base often swollen when growing in damp places among leaves, usually yellowish or rufescent.
Habitat: On the ground, among fallen leaves, on rotten wood, &c.
Distribution: Dannevirke, New Zealand. Ceylon, India, Australia, South Africa, Europe, United States.
Notes: Solitary or loosely gregarious, inodorous, very variable. Distinguished from its nearest allies by the narrow crowded gills and the obtuse pileus. (See note under C. xanthopoda.)

Article: Horak, E. (1971). A contribution towards the revision of the Agaricales (Fungi) from New Zealand. New Zealand Journal of Botany 9(3): 403-462 (http://www.rsnz.org/publish/abstracts.php).
Notes: C. dryophila is a rather common species in the northern hemisphere, but was not found in New Zealand by us. However, Collybiopsis rimutaka (Stevenson) Horak which macroscopically resembles Collybia dryophila, was common throughout the country.