Evidence of tree disease
Title
Evidence of tree disease
Subject
Forest Products Industry
Description
Aeciospores and canker in 50 yr-old natural jack pine. Englehart Management Unit
Creator
Ken Armson
Date
1971-07
Format
JPEG
Type
Photograph
Identifier
Armson-Silviculture-573a
Coverage
Canada - Ontario
Original Format
Photo
Files
Collection
Citation
Ken Armson, “Evidence of tree disease,” Archives & Digital Collections at Lakehead University Library, accessed October 25, 2026, https://digitalcollections.lakeheadu.ca/items/show/5155.