Polygonum douglasii |
Polygonum californicum |
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Douglas knotweed |
California knotweed |
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Polygonum douglasii |
Polygonum californicum |
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Distribution | ||
Discussion | [This taxon will be assessed for treatment in volume 3 of Flora of Oregon, which is not yet published.] |
[This taxon will be assessed for treatment in volume 3 of Flora of Oregon, which is not yet published.] |
Source | in prep. | in prep. |
Sibling taxa | ||
Synonyms | Polygonum douglasii ssp. douglasii, Polygonum douglasii var. douglasii, Polygonum douglasii var. latifolium | |
Web links |
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