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Psathyrella longipes

Psathyrella longipes - Fungi species | sokos jishebi | სოკოს ჯიშები

Psathyrella longipes

Pileus
Cap 2.5-4.5 cm broad, conic, becoming broadly conic to campulate in age; margin striate, decorated with evanescent white veil fragments; surface obscurely fibrillose, glabrous in age, hygrophanous, brown, to dull mustard-brown, fading from the disc to buff-brown, pallid or whitish at maturity. Flesh, thin, pallid, fragile.

Lamellae
Gills, close, adnate, narrow, pallid at first, dark-brown to blackish-brown in age, the edges lighter.

Stipe
Stipe 6-12 cm long, 3-6 mm thick, fragile, hollow, straight, equal; surface smooth to patchy fibrillose, pallid, with pubescent mycelium at the base; veil evanescent, cottony/membranous, leaving white fragments on the young pileus.

Spores
Spores 10-14 x 7-9 µm, elliptical, smooth, with an apical germ pore, nonamyloid; spore print dark-brown to blackish-brown.

Habitat
Solitary to scattered in leaf litter and well decayed woody debris, under both hardwoods and conifers; fruiting from after the fall rains to late winter.

Edibility
Unknown.

Comments
In a group of drab, undistinguished fungi, Psathyrella longipes is an attractive, albeit fragile exception. The relatively large, broadly conic, hygrophanous cap with an appendiculate margin and "leggy" stipe help to separate this mushroom from most related Psathyrellas. Psathyrella candolleana is also appendiculate, but has a convex cap at maturity, and is more robust in stature. Psathyrella hydrophila differs in its clustered habit, usually at the base of hardwood stumps, and has a convex cap. Finally, our most common Psathyrella, P. gracilis is smaller, and young caps are not normally appendiculate.

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