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swamp poplar (Populus heterophylla)

Populus heterophylla
Foto n. 71909 - swamp poplar (Populus heterophylla)
USDA-NRCS PLANTS Database - Not copyrighted image
File size: 150909 bytes - Views: 294

Populus heterophylla
Foto n. 64397 - swamp poplar (Populus heterophylla)
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester. - Not copyrighted image
File size: 85527 bytes - Views: 302

Populus heterophylla
Foto n. 10646 - swamp poplar (Populus heterophylla)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 589.
File size: 54715 bytes - Views: 294

Populus heterophylla
Foto n. 64396 - swamp poplar (Populus heterophylla)
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester. - Not copyrighted image
File size: 96431 bytes - Views: 291






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