Panicum antidotale Retz.

Panicum antidótale Retz.
USA. Arizona. Pima County.
Santa Cruz River just west of Sanders Road
crossing; sandy banks along river channel;
occasional perennial.
32.435239°, -111.238606°
Elevation: 1969 ft 600 m
Associated species: Tamarix aphylla,
Prosopis velutina, Cynodon dactylon,
Xanthium strumarium, Salix gooddingii,
Baccharis salicifolia, Ambrosia monogyra,
Echinichloa crus-gali, Polypogon
monspeliensis, Rumex dentatus, Sambucus,
Cyperus eragrostis, Tamarix chinensis
Liz Makings 4681	23 June 2015
with: Shannon Doan
02481708