by DaySounds © 2013-15
Flodmans thistle (Cirsium flodmanii)
of the spines. We recommend to boil them first.
It is sometimes confused with arvense; however, flodmanii's flower heads are much
bigger and truly spiny, their bracts are marked with tiny vertical white lines, and their
stems are covered by a white, velvet-looking layer.
©DaySounds
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Arvada, CO 80006
USA