K. Kubitzki et al., eds. 1990+. The Families and Genera of Vascular Plants. 4+ vols. Berlin, etc. Vol. 2, pp. 206-236. Hartman, R. L. 1971. The Family Caryophyllaceae
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(1957), J. C. Semple (1974), and Hartman (1976, 1990). The following key is based largely on data from Hartman (1976, 1990) and Semple. None. Xanthisma sect
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Arida parviflora, Arida riparia (R. L. Hartman) D. R. Morgan & R. L. Hartman Sida 20: 1410. 2003. Ronald L. Hartman, David J. Bogler Common names: Desert
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s, c, se United States, n Mexico. Species 3 (3 in the flora). R. L. Hartman (1990) informally recognized the three species of Rayjacksonia as an undescribed
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the Section Blepharodon. Ph.D. dissertation. University of Texas. Hartman, R. L. 1990. A conspectus of Machaeranthera (Asteraceae: Astereae). Phytologia
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speciesArida blepharophylla (A. Gray) D. R. Morgan & R. L. Hartman Sida 20: 1413. 2003. Ronald L. Hartman, David J. Bogler Common names: Gypsum tansy-aster Basionym:
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speciesXanthisma coloradoense (A. Gray) D. R. Morgan & R. L. Hartman Sida 20: 1403. 2003. Ronald L. Hartman IllustratedEndemic Basionym: Aster coloradoensis A.
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var. laurentianum Fernald Allium schoenoprasum var. sibiricum (Linnaeus) Hartman Allium sibiricum Treatment appears in FNA Volume 26. Treatment on page 240
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and D. B. Horne 1964). They were placed in what is now Arida by R. L. Hartman (1990) because they produce flavones and have chromosome numbers of n = 5.
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Clairville Man. Herbor. Suisse, 150. 1811. Richard K. Rabeler, Ronald L. Hartman Common names: Three-nerved sandwort Introduced Basionym: Arenaria trinervia Linnaeus
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Loeske Herzogiella fitzgeraldii Lesquereux & James H. muehlenbeckii C. Hartman Isopterygium striatellum (Bridel) Loeske Plagiothecium muehlenbeckii Schimper
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(Annual) Michigan Acad. Sci. 20: 177. 1919. Richard K. Rabeler, Ronald L. Hartman, Frederick H. Utech Common names: Michaux’s stitchwort rock sandwort IllustratedEndemic
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