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1 December 2007 NEW TAXA OF CAMISSONIA (ONAGRACEAE); ERIGERON, HYMENOXYS, AND TETRADYMIA (COMPOSITAE); LEPIDIUM AND PHYSARIA (CRUCIFERAE) FROM ARIZONA, NEW MEXICO, AND UTAH
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Abstract

Three new taxa are described from the Arizona Strip in northwestern Arizona: Camissonia dominguez-escalantorum N.D. Atwood, L.C. Higgins & S.L. Welsh, sp. nov.; Physaria arizonica (S. Watson) O'Kane & Al-Shehbaz var. andrusensis N.D. Atwood, S.L. Welsh & L.C. Higgins, var. nov.; and Tetradymia canescens DC. var. thorneae N.D. Atwood, S.L. Welsh & L.C. Higgins, var. nov. Two new taxa are described from New Mexico: Lepidium montanum Nutt. ex Torr. & A. Gray var. todiltoensis N.D. Atwood & S.L. Welsh, var. nov. and Hymenoxys argentea (A. Gray) K.F. Parker var. thoreauensis N.D. Atwood, S.L. Welsh & A. Clifford, var. nov. Two new species are described from Utah: Camissonia bolanderi N.D. Atwood & S.L. Welsh, sp. nov. and Erigeron katiae S.L. Welsh and N.D. Atwood, sp. nov. Each is compared to related species based on differences in morphology.

N Duane Atwood and Stanley L. Welsh "NEW TAXA OF CAMISSONIA (ONAGRACEAE); ERIGERON, HYMENOXYS, AND TETRADYMIA (COMPOSITAE); LEPIDIUM AND PHYSARIA (CRUCIFERAE) FROM ARIZONA, NEW MEXICO, AND UTAH," Rhodora 109(940), 395-414, (1 December 2007). https://doi.org/10.3119/0035-4902(2007)109[395:NTOCEH]2.0.CO;2
Published: 1 December 2007
JOURNAL ARTICLE
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