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Populus deltoides - http://www.fs.fed.us/database/feis/plants/tree/popdel/all.html
Distribution and Occurrence; Value and Use; Characteristics; Fire Ecology |
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Populus fremontii - http://www.fs.fed.us/database/feis/plants/tree/popfre/all.html
Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. |
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Populus tremuloides - http://www.fs.fed.us/database/feis/plants/tree/poptre/all.html
Distribution and Occurrence; Value and Use; Characteristics; Fire Ecology |
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Populus grandidentata - http://www.fs.fed.us/database/feis/plants/tree/popgra/all.html
Distribution and Occurrence; Value and Use; Characteristics; Fire Ecology |
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Populus angustifolia - http://www.fs.fed.us/database/feis/plants/tree/popang/all.html
Distribution and occurrence, value and use, characteristics and fire ecology. |
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Populus angustifolia - http://www.pennine.demon.co.uk/Arboretum/Poan.htm
Photograph and detailed description of the narrowleaf cottonwood, its habitat and range. |
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Populus alba - http://www.botany.hawaii.edu/faculty/carr/images/pop_alb_m_cu.jpg
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Populus canescens x - http://ip30.eti.uva.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=2199
Photographs, diagnostic features, habitat and distribution of the grey poplar. |
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Populus tremula - http://ip30.eti.uva.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=2200
Photographs, diagnostic features, habitat and distribution of the aspen. |
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Populus alba - http://ip30.eti.uva.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=2198
Photographs, diagnostic features, habitat and distribution of the white poplar. |
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Populus nigra - http://ip30.eti.uva.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=2201
Photographs, diagnostic features, habitat and distribution of the black poplar and its subspecies. |
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Populus nigra ssp. italica - http://ip30.eti.uva.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=2204
Photographs, diagnostic features, habitat and distribution of the Lombardy poplar. |
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Populus trichocarpa - http://ip30.eti.uva.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=2218
Photographs, diagnostic features, habitat and distribution of western balsam-poplar. |
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Populus balsamifera - http://ip30.eti.uva.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=2220
Diagnostic features, habitat and distribution of eastern balsam-poplar. |
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Populus alba - http://www.botany.hawaii.edu/faculty/carr/images/pop_alb_m.jpg
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