| Name | Polygonum douglasii Greene |
| Authorship | Greene |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Polygonum Linnaeus |
| Contains | Polygonum douglasii subsp. austinae (Greene) A. E. Murray Polygonum douglasii subsp. johnstonii (Munz) J. C. Hickman Polygonum douglasii var. latifolium (Engelmann) Greene Polygonum douglasii subsp. majus (Meisner) J. C. Hickman Polygonum douglasii subsp. nuttalli (Small) Hickman Polygonum douglasii subsp. spergulariiforme (Meisner ex Small) J. C. Hickman |
| GUID | urn:lsid:ipni.org:names:695669-1 |
| Holdings | 339 Specimens held in the Harvard University Herbaria identified as Polygonum douglasii Greene |
| Identification made in | [no date] (335), 1994 (1), 2002 (1), 2010 (2) |
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