J. C. Roos
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Name
John C. Roos
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Specialities
Spermatophytes
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Roles
Author, Collector
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Movement Details
United States of America, Nevada, California
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Notes
Author Notes: Oenothera (Onagraceae), Nitrophila (Chenopodiaceae)
Collector Notes: W. United States (mainly Calif.): POM, RSA, NY -
Collections