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About 12-14 in tall with multiple stems each ending in a round head with sharp thorns


Willamette Valley, Oregon on the Finley National Wildlife Refuge, a mix of native prairie, wetlands, oak savanna and meadows. This was in a fairly dry area next to a parking lot


My daughter touched one of the "heads" & got a nasty poke that became very sore.

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Spotted by

Oregon, USA

Spotted on Aug 14, 2015
Submitted on Aug 15, 2015

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