OregonFlora species comparison

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Polygonum douglasii

Polygonum spergulariiforme

Douglas knotweed

fall knotweed, spurry knotweed

Polygonum douglasii

Polygonum spergulariiforme
Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
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
P. achoreum, P. austiniae, P. aviculare, P. californicum, P. cascadense, P. erectum, P. gabrielae, P. heterosepalum, P. majus, P. minimum, P. nuttallii, P. paronychia, P. parryi, P. polygaloides, P. ramosissimum, P. sawatchense, P. shastense, P. spergulariiforme
P. achoreum, P. austiniae, P. aviculare, P. californicum, P. cascadense, P. douglasii, P. erectum, P. gabrielae, P. heterosepalum, P. majus, P. minimum, P. nuttallii, P. paronychia, P. parryi, P. polygaloides, P. ramosissimum, P. sawatchense, P. shastense
Synonyms Polygonum douglasii ssp. douglasii, Polygonum douglasii var. douglasii, Polygonum douglasii var. latifolium Polygonum douglasii ssp. spergulariiforme
Web links 
Unless otherwise noted, all data comes from OregonFlora.



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Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

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