Purple loosestrife (Lythrum salicaria) is documented for the first time for Louisiana in Plaquemines Parish, extending its range southward about 310 km. Three species of Lythrum are now known for Louisiana, and four species have been recorded for the central Gulf and lower Mississippi valley regions. A key to species and regional distributional data are provided for L. salicaria.
First Documented Report for Lythrum salicaria (Lythraceae) in Louisiana
Sept – 2019
Lowell E. Urbatsch
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