OregonFlora species comparison

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Cirsium altissimum

Cirsium douglasii

Brewer's thistle, swamp thistle

Cirsium altissimum

Cirsium douglasii
Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Sibling taxa
C. andersonii, C. arvense, C. brevifolium, C. brevistylum, C. ciliolatum, C. cymosum, C. douglasii, C. eatonii, C. edule, C. edule x Cirsium remotifolium, C. inamoenum, C. occidentale, C. ochrocentrum, C. remotifolium, C. scariosum, C. undulatum, C. vulgare
C. andersonii, C. arvense, C. brevifolium, C. brevistylum, C. ciliolatum, C. cymosum, C. eatonii, C. edule, C. edule x Cirsium remotifolium, C. inamoenum, C. occidentale, C. ochrocentrum, C. remotifolium, C. scariosum, C. undulatum, C. vulgare
Subordinate taxa
C. douglasii var. breweri
Web links 
Unless otherwise noted, all data comes from OregonFlora.



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in OregonFlora yet, or it's listed under a synonym.)

Choose a data source: Flora of North America, OregonFlora

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