Thursday, November 17, 2016

Fungi 3 - 1. Agaricus campestris

Fungi 3 Agarics campestris
Name: Agaricus campestris
Common Name: Pinkie mushroom, Meadow mushroom , Field mushroom
Family: Agaricaceae
Collection Date: 09/2016
Habitat: Grass in cemetery
Location: Cemetery in Bristolville Ohio - Name of cemetery unknown
Description:  Whitish cap and stipe with pink lamellae






Figure 1 : Bounty of Agaricus campestris picked form cemetery for consumption

Keying Guide used: Mushrooms Demystified - Key to the Agaricaceae 
Keying Steps: Key to the Agaricaceae (Agaricus) p 314 1.) Not as above; odor not phenolic; base of stalk typically not staining yellow (but may stain yellow-orange or orange) if staining yellow than sweet odor...7 7.) Not as above (odor rarely slightly almonds, but if so then flesh reddening when cut)...25 25.) Not as above (but cap and flesh may have reddish stains in old age or wet weather)...38 38.) Not as above; veil not sheath like or sandlike and/or stalk with central hollow in age... 39 39.) Cap white or whitish when fresh (but may discolor tan, yellowish or buff in age)...40 40.) Not as above; smaller and/or habitat different... 42 42.) Not as above; typically larger (cap 3cm broad or more; stalk 5mm thick or more)...44 44.) Not as above...45 45.) Not as above...46 46.) Growing in the open(usually in grass, occasionally in hard-packed soil); veil typically then and somewhat cottony, forming only a slight annulus om stalk or disappearing ; gills usually pink or brownish in button stage...47 47.) Cap white or sometimes with pale brown to grayish fibrils or scattered scales; very common and widespread ... A. campestris 
Keying Guide Source: Arora, D. (1986). Mushrooms Demystified. Ten Speed Press.

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