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Description |
Picea pungens Engelm. en: Blue Spruce. Tree.
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Source |
[1]
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Date |
1996
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Author |
USDA-NRCS PLANTS Database / Herman, D.E. et al. 1996. North Dakota tree handbook. USDA NRCS ND State Soil Conservation Committee; NDSU Extension and Western Area Power Admin., Bismarck, ND.
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Permission |
Public Domain (USDA)
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