Armillaria ostoyae. 58th Annual Western International Forest Disease Work Conference (WIFDWC), held October 4-8, 2010 in Valemount, BC.
For proceedings from the 2010 WIFDWC work conference see:
irp-cdn.multiscreensite.com/1463fd0a/files/uploaded/WIFDW... For proceedings from other WIFDWC work conferences see:
www.wifdwc.org/past-proceedings1 Photo by: Kristen Chadwick
Date: October 7, 2010
Photo credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Westside Forest Insect and Disease Service Center.
Source: Kristen Chadwick collection; Sandy, Oregon.
Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:
www.fs.usda.gov/main/r6/forest-grasslandhealth