Browse Items (13651 total)

Roadside pin cherry & balsam fir. Cherry results from disturbance by road construction. Black Brook, J.D.Irving

White spruce planted 1965 at 5yrs. Black Brook, J.D.Irving. Person: Neils Kreiberg

Endocronartium harknessii sporulating (aeciospores) on jack pine Engelhart Management Unit

Endocronartium harknessii sporulating (aeciospores) on jack pine. Engelhart Management Unit

Defoliation and mortality in balsam fir. New Brunswick

Spruce budworm damage in balsam fir. New Brunswick

Spruce budworm damage in balsam fir. New Brunswick

Cronartium comptoniae (Sweetfern blister rust) cankers on 50 yr jack pine. Cairo-Flavelle Twp. Engelhart Management Unit.

Cronartium comptoniae (Sweetfern blister rust) cankers on 50 yr jack pine. Cairo-Flavelle Twp. Engelhart Management Unit

Vigorous crown, good form in 60 yr jack pine. N.B. poor form -broken crown to right