Conifer

Forestry: Conifer

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178 Images of 39 Subjects

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Subject	Scientific Name	Images
brown spot	Alternaria alternata	2
cedar-apple rust	Gymnosporangium juniperi-virginianae	1
desication (wind burn)		1
Diplodia blight	Sphaeropsis sapinea	8
Diplodia tip blights	Diplodia spp.	6
Douglas-fir beetle	Dendroctonus pseudotsugae	1
drought		1
Ectomycorrhizae	Thelephora terrestris	1
frost and winter injury (general)		17
Japanese pine sawyer	Monochamus alternatus	2
Lophodermium needle casts	Lophodermium spp.	5
mountain pine beetle	Dendroctonus ponderosae	1
oak wilt	Ceratocystis fagacearum	1
pileated woodpecker	Dryocopus pileatus	1
pine grosbeak	Pinicola enucleator	2
pine needle cast	Lophodermium nitens	1
pine needle cast	Lophodermium pinastri	8
pine needle rust	Coleosporium asterum	11
pine wilt nematode	Bursaphelenchus xylophilus	9
pocket gophers		1
rat, vole, mouse		9
Rhizosphaera needle cast	Rhizosphaera kalkhoffii	4
Road salt or de-icing salt		1
Scleroderris canker of pine and spruce	Gremmeniella abietina	19
Sirococcus blight of conifers	Sirococcus conigenus	33
spruce broom rust	Chrysomyxa arctostaphyli	1
spruce needle rusts	Chrysomyxa spp.	2
squirrel	Sciurus spp.	4
sweet fern blister rust	Cronartium comptoniae	3
Swiss needle cast	Phaeocryptopus gaeumannii	2
tamarack	Larix laricina	5
tar spot needlecast	Davisomycella ampla	1
tornado		4
tussock moths	Dasychira spp.	1
western spruce budworm	Choristoneura freemani	1
white pine blister rust	Cronartium ribicola	2
white-tailed deer	Odocoileus virginianus	4
wind		1
woodpeckers		1