Achlyopitheca G. L. Nesom & N. S. Fraga (species 1–3), sect. Paradantha (A. L. Grant) G. L. Nesom & N. S. Fraga (species 4–19), sect. Monantha G. L. Nesom & N. S
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(de Candolle) Nuttall Trans. Amer. Philos. Soc., n. s. 7: 313. 1840. Guy L. Nesom Common names: Broomweed Etymology: Greek amphi -, around, and achyron
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S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 8: 271. 1949. John O. Sawyer†, Guy L. Nesom Common names: Sierra coffeeberry Endemic Basionym: Rhamnus rubra Greene
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Gutierrezia texana, Gutierrezia wrightii Lagasca Gen. Sp. Pl., 30. 1816. Guy L. Nesom Etymology: Possibly for Pedro Gutierrez, Spanish nobleman, not specified
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Oönopsis wardii (Nuttall) Greene Pittonia 3: 45. 1896. Gregory K. Brown, Guy L. Nesom Etymology: Greek oön, egg, and - opsis, likeness, alluding to a perceived
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sphaerocephalus (A. Gray) A. Gray Proc. Amer. Acad. Arts 8: 634. 1873. Guy L. Nesom Common names: Goldenhead Etymology: Greek akamptos, stiff or unbending
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wrightii Douglas ex Lindley Edwards’s Bot. Reg. 20: plate 1686. 1834. Guy L. Nesom Etymology: For Nicholas Garry, 1782–1856, deputy-governor of the Hudson’s
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are divided into groups (G. L. Nesom 1989): sect. Pluchea, sect. Amplectifolium G. L. Nesom, and sect. Pterocaulis G. L. Nesom. Among the woody species,
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parryi de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 301. 1836. Guy L. Nesom Etymology: Greek chaite, long hair, and pappos,
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genusChloracantha Show Lower Taxa Chloracantha spinosa G. L. Nesom Phytologia 70: 378. 1991. Scott D. Sundberg†, Guy L. Nesom Etymology: Greek chloros, green, and akantha
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hookerianum, Croptilon rigidifolium Rafinesque Fl. Tellur. 2: 47. 1837. Guy L. Nesom Etymology: Greek kropion, scythe, and ptilon, wing or feather, perhaps
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virginianum Linnaeus Sp. Pl. 2: 920. 1753. , Gen. Pl. ed. 5, 391. 1754. Guy L. Nesom Etymology: Greek chrysos, gold, and gonos, seed, apparently alluding
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ramosissimus de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 310. 1836. Guy L. Nesom Common names: Plains lazydaisy Illustrated Treatment
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1857. John O. Sawyer†, Guy L. Nesom Common names: Cascara Endemic Basionym: Rhamnus purshiana de Candolle in A. P. de Candolle and A. L. P. P. de Candolle
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(Eschscholtz) A. Gray Gen. Amer. Bor. 2: 178. 1849. John O. Sawyer†, Guy L. Nesom Common names: California coffeeberry Basionym: Rhamnus californica Eschscholtz
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Trichocoronis wrightii A. Gray Mem. Amer. Acad. Arts., n. s. 4: 65. 1849. Guy L. Nesom Etymology: Greek trichos, hair, and koronos, crown, apparently alluding
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roanensis (Linnaeus) R. M. King & H. Robinson Phytologia 19: 212. 1970. Guy L. Nesom Common names: White snakeroot IllustratedEndemic Basionym: Ageratum altissimum Linnaeus
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galacifolia Torrey & A. Gray Amer. J. Sci. Arts 42: 48. 1842, name conserved ,. Guy L. Nesom Common names: Oconee bells little coltsfoot Etymology: For Charles Wilkens
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genusAdolphia speciesAdolphia infesta (Kunth) Meisner Pl. Vasc. Gen. 2: 50. 1837. Guy L. Nesom Common names: Junco Texas adolphia Illustrated Basionym: Ceanothus infestus Kunth
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breweri var. porphyreticus A. Gray Proc. Amer. Acad. Arts 6: 541. 1866. Guy L. Nesom Common names: Brewer’s fleabane IllustratedEndemic Treatment appears
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