Arizona State University Vascular Plant Herbarium (ASU:Plants)
ASU0004666
b35a7f74-71bb-43bf-9876-033384b5c182
274420
Ambrosia acanthicarpa Hook.
Asteraceae
Richard S. Felger
86-509
1986-12-09
Thomas Bown
Mexico, Sonora, Mpio. de Plutarco Elias Calles, 19.2 miles southwest of Sonoyta on MEX Hwy 8.
31.707496 -113.117023 +-30610m.
233 meters (764ft)
Desert plain.
Larrea, Ambrosia deltoidea, A. dumosa.
Very common, mostly along roadside, annual, with a single stem and a few small lateral branches to bushy with a much-branched stout stem and plants 1 m across.