Bull. 420.] Populus angustifolia, Populus balsamifera, Populus deltoides, Populus fremontii, Populus grandidentata, Populus heterophylla, Populus tremuloides
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native species of Populus, white poplar has floral bract apices only shallowly cut; these are ciliate like those of native aspens. Populus alba hybridizes commonly
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are recognized; namely, alba-type, arctica-type, and caprea-type; there are intermediates (A. K. Skvortsov 1999). Plants with alba-type bud gradation have
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chosenia) and Populus subg. Turanga. Also, the leaf epidermis of the former, which consists of unequal-sized cells, resembles that of some Populus and Salix
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Synonyms: Populus aurea Tidestrom Populus ×polygonifolia F. G. Bernard Populus tremula subsp. tremuloides (Michaux) Á. Löve & D. Löve Populus tremuloides
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result in a complex mosaic of successional types with abundant Alnus crispa, Populus balsamifera, Betula papyrifera, and Salix spp. The Cordilleran region (zone
133 KB (20,036 words) - 18:33, 13 February 2019