VOUCHER INFORMATION
Name: Agaricus campestris
Authority: Linnaeus, 1753
Vouchered by: Brad Bomanz
Date found: 10/12/2001
Synonyms:
Collected by: Gordon White
Voucher ID:6
Confirming Mycologist: Dr. Andrew Methven
LOCATION
Latitude: 038.452 N
Longitude: 090.353 W
City: Arnold
County: Jefferson
State: Missouri
Site location: Arnold City Park
ENVIRONMENT
Habitat: lawn
Moisture conditions: just rained
Substrate: humus
IDENTIFYING DOCUMENT
Reference document: The Audubon Society Field Guide to North American Mushrooms - 1981
Author:Alfred A. Knopf
ISBN No: 0-394-51992-2
Page no:505
Check for Added ID Material
SPORE DESCRIPTION
Spore length: 7 - 9 microns
Spore width: 4 - 6 microns
Spore color: purple-brown
Spore texture: smooth
Spore shape: elliptical
Spore print color: blackish-brown
Chemical reaction: n/d
Dr. Andrew Methven compared this specimen to Agaricus solidipes due to the large spores size (see annotation). 2015 DNA analysis confirmed Agaricus campestris.