Monterey Centaury, Muehlenberg's Centaury
Zeltnera muehlenbergii
Synonyms: Centaurium muehlenbergii, Centaurium muehlenbergii var. albiflorum
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Muhlenberg's centaury blooming in a riparian area in the East Simcoe Unit of the Klickitat Wildlife Area......July 1, 2020.
Paul Slichter