CA, Southern California, 20071014
Madison Heights, two mushrooms.
My favorite lawn for LBMs: NW corner of Fillmore and Marengo. Looks like some Mycena today along with the usual Agaricus californicus and Panaeolus foenisecii.
















Mycena pura-group []
| | GEN | | tiny mushrooms, scattered, in straw mulch at edge of and in well-manured lawn, indistinctive odor |
| | ST | | 20-30x1.5-4mm, watery offwhite to buff, min white appress hairy to rather cottony at base, hollow, doesn't break when bent, creased lengthwise on one, exudes mulky latex when cut |
| | CAP | | 10-30mm, domed to broadly convex, lustrous from minute hairs when young but aging dull, rich medium reddish brown fading a bit toward margin, margin a bit tattered w sharp white edge in some young ones, translucent striations, flesh brownish, very slippery esp when moist/fresh |
| | GILL | | attached, somewhat distant, quite thick at base (to 1mm), whitish but blushing brownish inside when young, hyphae parallel, cystidia? |
| | SPORE | | whitish to v pale yellow, ellip, smooth to faintly textured, one bubble inside, apiculate, 8.5-9.5x5.6-6.5um, sticking together in irreg towering masses when dry |
Key to
Mycena in
Arora always defeats me. Best candidates seem to be:
M. "grass" (Gives no description.)
M. vulgaris (How viscid is the cap? Doesn't mention reddish tint of cap.)
M. galopus (How milky is the latex? Cap dry, and not red.)
Nathan Wilson has IDed this as Mycena pura-group for me apparently common in LA lawns. His mushroomobserver.org observation from Burbank has a great deal more information.





Coprinus micaceus []
Same corner, across the sidewalk from the Mycena above, just growing in the middle of the lawn. Also another (not photoed) at foot of tulip poplar on SW corner (but grayer and no particles different species?)
| | SPORE | | print v dark brown (but almost purplish black against a white paper), brown, smooth, ellip, truncate at one end, v little "stuff" inside, 6.6-8.9x4.6-6.1um |
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