Bidens alba (L.) DC. var. radiata (Sch. Bip.) R. E. Ballard in T. E. Melchert (ASTERACEAE)— LOUISIANA, Orleans Parish: New Orleans, ruderal areas along sidewalk next to gas station…
Ceratopteris thalictroides (L.) Brongn. (PARKERIACEAE)—
MISSISSIPPI, Jackson County: Whiskey Bayou of the Pascagoula River basin,
W of Escatawpa, semiattached to a mostly submerged and rotten log in bayou…
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