Spermolepis inermis (Nutt. ex DC.) Mathias & Constance
Apiaceae
Turner, Billie Lee (2001)
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Mary L. Butterwick|Steve Osburn
2253
1976-04-06
1976-4-6
United States, Texas, Terrell, Locally common annual herb in narrow unnamed side canyon on the Mexican side of the Rio Grande, downstream from San Francisco Canyon.