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RM RM 368321 Amsonia jonesii physical specimen Apocynaceae Amsonia jonesii Woodson 16832 Elizabeth Neese 1985 5 10 130 U.S.A. Arizona Mohave Between Fredonia and Colorado City on AZ Hwy 389: milepost 10- 11. -112.88568 36.87852 2 1543 Galleta grassland with 4-wing saltbrush; powdery silty red clay, Moenkopi Formation. Phenology: flowering. RM RM 785456 Amsonia jonesii physical specimen Apocynaceae Amsonia jonesii Woodson 26669 Larry C. Higgins 2005 5 25 145 U.S.A. Arizona Mohave Arizona Strip: Cedar Ridge. -112.89039 36.87969 1 1554 Chinle clay soils; Pinyon, juniper community. Phenology: flowering. RM RM 177040 Amsonia jonesii physical specimen Apocynaceae Amsonia jonesii Woodson s.n. Marcus E. Jones 6 12 164 U.S.A. Arizona Mohave E of Oatman: Ed's Camp. -114.38226 35.02736 1 839 Phenology: fruiting. RM RM 182677 Amsonia jonesii physical specimen Apocynaceae Amsonia jonesii Woodson 1894 Reed C. Rollins 1927 8 6 218 U.S.A. Colorado Mesa 15 mi W of Grand Junction. 1524 Dry prairie in sandy soil. Phenology: fruiting. RM USFS 490620 Amsonia jonesii physical specimen Apocynaceae Amsonia jonesii Woodson 1894 Reed C. Rollins 1937 8 4 216 U.S.A. Colorado Mesa 15 mi W of Grand Junction: near base of Pinyon Mesa. 1524 Dry ravine in sandy soil. Phenology: fruiting. RM RM 279089 Amsonia jonesii physical specimen Apocynaceae Amsonia jonesii Woodson 12367 William A. Weber David Murray 1965 5 16 136 U.S.A. Colorado Mesa N of State Line Store. Clay knoll, Mancos formation. Phenology: flowering. 3600 3,1,0 true