Picea A. Dietrich. Spruce.
A genus of about 35-40 species, trees, of cool temperate and boreal parts of the Northern Hemisphere.
Ref: Page In Kramer & Green (1990); Taylor (1993b) In Flora of North America Editorial Committee (1993b). Show full citations.
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© Keith Bradley | Original Image ⭷
© Gary P. Fleming | Original Image ⭷