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RM RM 132594 Ambrosia ambrosioides physical specimen Asteraceae Ambrosia ambrosioides (Cav.) W. W. Payne 11200a Aven Nelson 1930 3 15 74 U.S.A. Arizona Maricopa N of Gila Bend: Gila River bridge. -112.75797 32.99302 182 Dry creek banks. Phenology: flowering. RM RM 147281 Ambrosia ambrosioides physical specimen Asteraceae Ambrosia ambrosioides (Cav.) W. W. Payne 1268 Aven Nelson Ruth A. Nelson 1935 3 22 81 U.S.A. Arizona Pinal 25 mi W of Casa Grande City; Lava Hills. -112.17713 32.83563 5 579 Edges of sandy wash. Phenology: flowering. RM RM 147280 Ambrosia ambrosioides physical specimen Asteraceae Ambrosia ambrosioides (Cav.) W. W. Payne 1652 Aven Nelson Ruth A. Nelson 1935 4 26 116 U.S.A. Arizona Pima Tucson vicinity: highway to Florence. -110.97848 32.30264 1 731 Sandy wash along road. Pima/Pinal counties. Phenology: flowering. RM RM 192067 Ambrosia ambrosioides physical specimen Asteraceae Ambrosia ambrosioides (Cav.) W. W. Payne 3354 Aven Nelson 1939 3 31 90 U.S.A. Wyoming Albany Laramie Hills. -114.2169 33.42175 2 Phenology: flowering. RM USFS 469741 Ambrosia ambrosioides physical specimen Asteraceae Ambrosia ambrosioides (Cav.) W. W. Payne 2153 Barnard A. Hendricks 1938 5 1 121 U.S.A. Arizona Pima Coronado National Forest: Sabino Canyon near lower dam. -110.81117 32.31841 914 Semidesert browse community in alluvial flood plain on a level slope with Mesquite and Baccharis. Phenology: flowering & fruiting. RM RM 258674 Ambrosia ambrosioides physical specimen Asteraceae Ambrosia ambrosioides (Cav.) W. W. Payne s.n. Leslie N. Goodding 1959 4 2 92 U.S.A. Arizona Pima Coyote Mountains. -111.51994 31.99709 3 1463 Sandy washes. Phenology: flowering & fruiting. RM RM 49086 Ambrosia ambrosioides physical specimen Asteraceae Ambrosia ambrosioides (Cav.) W. W. Payne s.n. Marcus E. Jones 1890 5 23 143 U.S.A. Arizona no county (Illegible) ? Puhianis? Phenology: fruiting. RM RM 261838 Ambrosia ambrosioides physical specimen Asteraceae Ambrosia ambrosioides (Cav.) W. W. Payne s.n. Neva Nelson Miller 1960 3 31 91 U.S.A. Arizona Pima Coyote Mountains: 30-40 mi SW of Tucson. -111.51994 31.99709 3 1463 Phenology: flowering. RM USFS 469740 Ambrosia ambrosioides physical specimen Asteraceae Ambrosia ambrosioides (Cav.) W. W. Payne 356 W. Ellis Wiltbank 1934 3 31 90 U.S.A. Arizona Maricopa Tonto National Forest: near Canyon Lake. -111.43204 33.53584 2 609 Desert shrub community in loose granite soil on a moderate northwest slope with Simmondsia and Aplopappus; common. Phenology: fruiting. RM RM 704123 Ambrosia ambrosioides physical specimen Asteraceae Ambrosia ambrosioides (Cav.) W. W. Payne 15525 Walter Fertig Jane Struttmann 1995 4 8 98 U.S.A. Arizona Pima Arizona Desert: Foothills S of the Little Ajo Mountains: ca 10 mi N of Organ Pipe Cactus National Monument: ca 5 mi S of Ajo: ca 1 mi W of Black Mountain. -111.72432 32.3087 1 579 Gravelly-sandy wash surrounded by grove of mesquite and palo verde with understory of Ambrosia, Salvia and honeysuckle. Phenology: flowering. RM RMRS Ambrosia ambrosioides physical specimen Asteraceae Ambrosia ambrosioides (Cav.) W. W. Payne 2153 Barnard A. Hendricks 1938 5 1 121 U.S.A. Arizona Pima Coronado National Forest; Sabino Canyon near lower dam; flood plain. 914 Phenology: flowering & fruiting. RM RMRS Ambrosia ambrosioides physical specimen Asteraceae Ambrosia ambrosioides (Cav.) W. W. Payne 2153 Barnard A. Hendricks 1938 5 1 121 U.S.A. Arizona Pima Coronado National Forest; Sabino Canyon near lower dam; flood plain. 914 Phenology: flowering & fruiting. RM RMRS Ambrosia ambrosioides physical specimen Asteraceae Ambrosia ambrosioides (Cav.) W. W. Payne 291 R. Pettit 1966 12 11 345 U.S.A. Arizona Maricopa 15 miles north of Fort McDowell; along Verde River. -111.6653 33.7719 1 472 Phenology: vegetative only. RM RMRS Ambrosia ambrosioides physical specimen Asteraceae Ambrosia ambrosioides (Cav.) W. W. Payne s.n. Robert R. Humphrey 1931 4 8 98 U.S.A. Arizona Pima Tucson Mountains; Twin Peak. Phenology: flowering & fruiting. 3600 3,1,0 true