Tag Archives: Cirsium douglasii
Swamp Thistle
A biennial or short-lived perennial, swamp thistle (Cirsium douglasii) is also commonly known as Douglas’ thistle. This native is found in wet places in Oregon, California and Nevada. Swamp thistle has one to several woolly, branching stems. The hairs on … Continue reading
Posted in Wildflowers
Tagged Cirsium douglasii, Douglas' thistle, swamp thistle
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