Argentina Northeast , Brazil South , Paraguay
[1]
Repert. Spec. Nov. Regni Veg. 9: 7 (1910)
[2]
Contr. Gray Herb. 59: 13 (1919)
[3]
Fl. Ilustr. Catar. 1(Leg.:Mim.): 137 (1979)
[4]
Unknown
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