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Eastern Canadian spruce (Picea alba Link, Picea canadensis Britt. St.et P., Picea glauca); single spruce (Picea alba Link, Picea canadensis Britt. St.et P., Picea glauca); white spruce (Picea alba Link, Picea canadensis Britt. St.et P., Picea glauca) |
Canadese spar : 6 phrases in 2 subjects |
Forestry | 4 |
Natural sciences | 2 |