Observation 46095: Agaricus campestris L.

When: 2010-05-30

Collection location: Rockville, Maryland, USA [Click for map]

Who: Michael Waisberg (waisberg)

No specimen available

Two specimens near each other, growing on grass (one with bite marks on the surface of the pileus)

Pileus diameter – 25-29 mm | 37 mm
Pileus height- 10 mm | 12 mm
Stipe length – 23 mm | 41 mm
Stipe diameter at apex – 7 mm | 8 mm
Stipe diameter at middle- 6 mm | 7.7 mm
Stipe diameter at base – 6 mm | 6.7 mm

Pileus – white color, convex, round, unicolorous, margin is plane and entire, cuticle is dull, dry, smooth, glabrous. Smell is not distinctive. No volva. Does not bruise any color

Hymenium – Gilled. Remnants of partial veil present on hymenium in one. Gills are close, light brown color with pink hue on first day but turning darker brown on second, narrow, smooth, free.

Stipe – central, almost equal, solid (with little caniculli and wholes on inner part), slightly tapered at base, white/cream color, inserted, glabrous, does not bruise any color, no volva, ring visualized in one of the two specimens (12 mm from hymenium)

Spore print – dark brown

Spores – eliptical and smooth. No apical pore visualized under 400X

More information on these specimens at: http://mushroompicker.blogspot.com/...

[admin – Sat Aug 14 02:05:19 +0000 2010]: Changed location name from ‘Rockville, Maryland’ to ‘Rockville, Maryland, USA

Proposed Names

54% (1)
Eye3 Eyes3
Recognized by sight
Used references: Roody WC (2003). Mushrooms of West Virginia and the Central Appalachians.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2010-05-30 10:28:36 PDT (-0700)
Last modified: 2010-08-26 18:41:05 PDT (-0700)
Viewed: 31 times, last viewed: 2017-06-07 07:26:30 PDT (-0700)
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