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USFS Logo Research Data Archive
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Old growth or over-mature white spruce near Tanacross. M. Mehl.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
reproductive behaviour
life form, habit
post-seedling development and form
Location: Alaska; Tanana; Tanacross
Description: Old growth or over-mature white spruce near Tanacross. M. Mehl.
Date: 7/1974

Typical black spruce. Higer-head[?] site.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska
Description: Typical black spruce. Higer-head[?] site.
Date: 7/1974