| Verbatim Directions to Locality: | Sarasota, north side of De Soto Road, east of junction with U.S. 41 (North Tamiami Trail). |
| Habitat: | wet ditch and sandy ruderal roadside; Associates: Oxalis stricta, Ipomoea trichocarpa, Lepidium virginicum, Salvia riparia, Ludwigia leptocarpa, Spermacoce surgens, Indogifera spicata, Panicum maximum, Conyza canadenis, Rumex pulcher, Brachiaria ramosa. |
| Local Abundance Observations: | Common throughout Florida in many habitats. |
| Notes: | [map inset].
Above name probably misapplied. If so, S. ptycanthum Dunal or S. nigrum L. var virginicum L. would be the correct name.
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| Type of Donor: | Herbarium |
| Donor: | Berea College Herbarium (BEREA) |
| Non digital information?: | Y |