| 
                                    Ephedra trifurca Torr. ex S.Watson
                                 | 
                                R. J. Kass 1146 | 
                                28 Mar 1983 | 
                                United States of America | 
                                Arizona | 
                                Cochise Co. Tombstone Hills, ca.… | 
                                — | 
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                                    Penstemon ambiguus var. laevissimus (D.D.Keck) N.H.Holmgren
                                 | 
                                R. J. Kass 2496 | 
                                03 Jul 1986 | 
                                United States of America | 
                                Arizona | 
                                Navajo Co. About 17 miles… | 
                                — | 
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                                    Lesquerella purpurea (A.Gray) S.Watson
                                 | 
                                R. J. Kass 1614 | 
                                26 Apr 1984 | 
                                United States of America | 
                                Arizona | 
                                Coconino Co. Grand Canyon National… | 
                                — | 
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                                    Astragalus episcopus var. lancearius (A.Gray) Isely
                                 | 
                                R. J. Kass 1590 | 
                                21 Apr 1984 | 
                                United States of America | 
                                Arizona | 
                                Coconino Co. 1 mile south… | 
                                — | 
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                                    Echinocereus engelmannii (Parry ex Engelm.) Lem.
                                 | 
                                R. J. Kass 1625 | 
                                27 Apr 1984 | 
                                United States of America | 
                                Arizona | 
                                Coconino Co. Grand Canyon National… | 
                                — | 
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                                    Astragalus didymocarpus var. dispermus (A.Gray) Jeps.
                                 | 
                                R. J. Kass 1186 | 
                                30 Mar 1983 | 
                                United States of America | 
                                Arizona | 
                                Pima Co. Hwy 86, 3… | 
                                — | 
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                                    Dalea lanata var. terminalis (M.E.Jones) Barneby
                                 | 
                                R. J. Kass 2497 | 
                                03 Jul 1986 | 
                                United States of America | 
                                Arizona | 
                                Navajo Co. about 17 miles… | 
                                — | 
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                                    Astragalus wootonii E.Sheld. var. wootonii
                                 | 
                                R. J. Kass 1198 | 
                                30 Mar 1983 | 
                                United States of America | 
                                Arizona | 
                                Pima Co. Hwy 86, 3… | 
                                — | 
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                                    Mimosa biuncifera Benth.
                                 | 
                                R. J. Kass 2817 | 
                                14 Oct 1988 | 
                                United States of America | 
                                Arizona | 
                                Cochise Co. Chiricahua Mtns., 2.5… | 
                                — | 
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                                    Bouteloua eriopoda (Torr.) Torr.
                                 | 
                                R. J. Kass 2499 | 
                                03 Jul 1986 | 
                                United States of America | 
                                Arizona | 
                                Coconino Co. North Sheba Crater;… | 
                                — | 
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                                    Erigeron divergens var. cinereus A.Gray
                                 | 
                                R. J. Kass 1160 | 
                                29 Mar 1983 | 
                                United States of America | 
                                Arizona | 
                                Santa Cruz Co. Coronado National… | 
                                — | 
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                                    Rhus ovata S.Watson
                                 | 
                                R. J. Kass 2210 | 
                                19 Apr 1986 | 
                                United States of America | 
                                Arizona | 
                                2 miles S of Sedona.… | 
                                — | 
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                                    Rhus virens var. choriophylla (Wooton & Standl.) L.D.Benson
                                 | 
                                R. J. Kass 1154 | 
                                28 Mar 1983 | 
                                United States of America | 
                                Arizona | 
                                Cochise Co. near Hwy 80,… | 
                                — | 
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                                    Alhagi maurorum Medik.
                                 | 
                                R. J. Kass 2498 | 
                                03 Jul 1986 | 
                                United States of America | 
                                Arizona | 
                                Navajo Co. About 17 miles… | 
                                — | 
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                                    Porophyllum gracile Benth.
                                 | 
                                R. J. Kass 1615 | 
                                26 Apr 1984 | 
                                United States of America | 
                                Arizona | 
                                Coconino Co. Grand Canyon National… | 
                                — | 
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                                    Nama demissum A.Gray
                                 | 
                                R. J. Kass 1178 | 
                                30 Mar 1983 | 
                                United States of America | 
                                Arizona | 
                                Pima Co. Hwy 86, 3… | 
                                — | 
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                                    Lesquerella gordonii (A.Gray) S.Watson
                                 | 
                                R. J. Kass 1200 | 
                                30 Mar 1983 | 
                                United States of America | 
                                Arizona | 
                                Pima Co. Hwy 86, 3… | 
                                — | 
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                                    Lesquerella gordonii (A.Gray) S.Watson
                                 | 
                                R. J. Kass 1148 | 
                                28 Mar 1983 | 
                                United States of America | 
                                Arizona | 
                                Cochise Co. Near Hwy 80,… | 
                                — | 
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                                    Lesquerella gordonii (A.Gray) S.Watson
                                 | 
                                R. J. Kass 1200 | 
                                30 Mar 1983 | 
                                United States of America | 
                                Arizona | 
                                Pima Co. Hwy 86, 3… | 
                                — | 
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                                | 
                                    Lesquerella ludoviciana (Nutt.) S.Watson
                                 | 
                                R. J. Kass 1147 | 
                                28 Mar 1983 | 
                                United States of America | 
                                Arizona | 
                                Cochise Co. Near Hwy 80,… | 
                                — | 
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                                | 
                                    Zinnia grandiflora Nutt.
                                 | 
                                R. J. Kass 2499 | 
                                03 Jul 1986 | 
                                United States of America | 
                                Arizona | 
                                Navajo Co. About 17 miles… | 
                                — | 
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                                | 
                                    Pectocarya recurvata I.M.Johnst.
                                 | 
                                R. J. Kass 1114 | 
                                27 Mar 1983 | 
                                United States of America | 
                                Arizona | 
                                Maricopa Co. 1 East of… | 
                                — | 
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                                | 
                                    Camissonia claviformis (Torr. & Frém.) P.H.Raven var. claviformis
                                 | 
                                R. J. Kass 1189 | 
                                30 Mar 1983 | 
                                United States of America | 
                                Arizona | 
                                Pima Co. Hwy 86, 3… | 
                                — | 
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                                | 
                                    Bowlesia incana Ruiz & Pav.
                                 | 
                                R. J. Kass 1124 | 
                                27 Mar 1983 | 
                                United States of America | 
                                Arizona | 
                                Maricopa Co. 1 East of… | 
                                — | 
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                                | 
                                    Tripterocalyx carneus (Greene) L.A.Galloway var. carneus
                                 | 
                                R. J. Kass 2476 | 
                                01 Jul 1986 | 
                                United States of America | 
                                Arizona | 
                                Apache Co. About 3 miles… | 
                                — | 
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