NBN (data.nbn.org.uk) has a distribution map for Populus nigra ssp betulifolia (Black Poplar) |
Handling & Magnification | Author | Year | Title | Source |
---|---|---|---|---|
Cook, P.J. | 2005 | Pemphigus spirothecae galls on Black Poplar | BSBI News No 100: 14-15. |
Populus nigra ssp betulifolia (Black Poplar) may also be included in identification literature listed under the following higher taxa:
Author | Year | Title | Source |
---|---|---|---|
Cottrell, J. | 2004 | Conservation of Black Poplar (Populus nigra L.) | Forestry Commission Information Notes, 57, 6pp, Forestry Commission |
Literature listed under the following higher taxa may also be relevant to Populus nigra ssp betulifolia (Black Poplar):
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