Name: Boletus frostii
Authority: J.L. Russell 1874
Vouchered by: Brad Bomanz
Date found: 9/20/2003
Collected by: Brad Bomanz
Voucher ID: 32
Confirming Mycologist: Dr. Andrew Methven
Latitude: 036.979 N
Longitude: 090.189 W
City: Puxico
County: Wayne/Stoddard
State: Missouri
Site location: Mingo National Wildlife Refuge
Habitat: bottomland - swamp
Moisture conditions: very moist
Substrate: leaf - litter
Reference document: North American Boletes - 2000
Author:Alan E. Bessette, William C. Roody, Arleen R. Bessette
ISBN No: 0-8156-0588-9
Page no:114
Spore length: 13.5 - 15 microns
Spore width: 4.5 - 5 microns
Spore color: faint brown
Spore texture: smooth
Spore shape: spindle shaped to elliptical
Spore print color: olive brown
Chemical reaction: n/d
One larger and one smaller oil drop noted in each spore. Sometimes two larger droplets or only one small droplet. Most spores were hyaline but several displayed light brown color. This specimen was verified by Dr. Andrew Methven and Jay Justice. Close examination by Dr. Methven (see annotation above) combined with the 2015 DNA analysis confirmed that this specimen is Boletus frostii.

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