: 1.21 $2024-03-29T07:58:04-7:0044.192.71.254searchRMRM279408 Ambrosia cordifoliaphysical specimenAsteraceaeAmbrosiacordifolia(A. Gray) W. W. Paynes.n.Forrest Shreve1936411102U.S.A.ArizonaPimaTucson Mountains: 7 mi W of Tucson.-111.1005232.22259975Phenology: fruiting.36003,1,0true