Plectocephalus americanus

Formerly a Centaurea. An oddly-distributed plant, occurring from Arizona northeast to Wisconsin and in scattered states elsewhere. In New Mexico this is a plant of moist, flat sites at lower elevations.

Pseudanthia at Bar-B Draw north of Point of Rocks in Sierra County, 8 Aug 2007.



Phyllaries, Bar-B Draw, 8 Aug 2007.



Upper cauline leaves in Bar-B Draw, 8 Aug 2007.



A pseudanthium in Bar-B Draw, 8 Aug 2007.



Habitat in Bar-B Draw, 8 Aug 2007.

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