tribeAsteraceae tribe Astereae genusGrindelia speciesGrindelia hirsutula Hooker & Arnott Bot. Beechey Voy., 147. 1833. John L. Strother, Mark A. Wetter Endemic
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genusChaenactis sectionChaenactis sect. Chaenactis speciesChaenactis stevioides Hooker & Arnott Bot. Beechey Voy., 353. 1839. James D. Morefield Common names: Desert
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familyZygophyllaceae genusKallstroemia speciesKallstroemia maxima (Linnaeus) Hooker & Arnott Bot. Beechey Voy., 282. 1838. Duncan M. Porter Basionym: Tribulus maximus Linnaeus
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Heliantheae) subtribe Madiinae genusHolozonia speciesHolozonia filipes (Hooker & Arnott) Greene Bull Torrey Bot. Club 9: 122. 1882. Bruce G. Baldwin, John L
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tribeAsteraceae tribe Gnaphalieae genusLogfia speciesLogfia filaginoides (Hooker & Arnott) Morefield Novon 14: 473. 2004. James D. Morefield Common names: California
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subtribe Chaenactidinae genusSchkuhria speciesSchkuhria multiflora Hooker & Arnott J. Bot. (Hooker) 3: 322. 1841. John L. Strother Synonyms: Bahia neomexicana (A
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cocklebur clotbur lampourde épineuse Synonyms: Xanthium ambrosioides Hooker & Arnott Xanthium spinosum var. inerme Bel Treatment appears in FNA Volume 21
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tribeAsteraceae tribe Senecioneae genusTetradymia speciesTetradymia spinosa Hooker & Arnott Bot. Beechey Voy., 360. 1839. John L. Strother IllustratedEndemic Treatment
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congesta subsp. vernalis (D. D. Keck) Tanowitz Hemizonia lutescens Hooker & Arnott Hemizonia luzulifolia var. citrina (Greene) Jepson Hemizonia multicaulis
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LAYOUT:treatment:TUOYAL familyLiliaceae genusCalochortus speciesCalochortus uniflorus Hooker & Arnott Bot. Beechey Voy., 398, plate 94. 1840. P. L. Fiedler, R. K. Zebell
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tribeAsteraceae tribe Astereae genusErigeron speciesErigeron velutipes Hooker & Arnott Bot. Beechey Voy., 434. 1841. Guy L. Nesom Common names: Delicate fleabane
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LAYOUT:treatment:TUOYAL familyOxalidaceae genusOxalis speciesOxalis laxa Hooker & Arnott Bot. Beechey Voy., 13. 1830. Guy L. Nesom Common names: Dwarf wood-sorrel
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LAYOUT:treatment:TUOYAL familyLiliaceae genusCalochortus speciesCalochortus tolmiei Hooker & Arnott Bot. Beechey Voy., 398. 1840. P. L. Fiedler, R. K. Zebell Common names:
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Al-Shehbaz, John F. Gaskin WeedyIllustrated Synonyms: Lepidium leiocarpum Hooker & Arnott Lepidium nitidum var. howellii C. L. Hitchcock Lepidium nitidum var
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grandiflora (Michaux) Micheli J. repens var. hispida Hauman J. stenophylla Gillies ex Hooker & Arnott J. stuckertii H. Léveillé J. uruguayensis Cambessèdes Ludwigia clavellina
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seriesCrataegus (sect. Coccineae) ser. Aestivales speciesCrataegus opaca Hooker & Arnott Compan. Bot. Mag. 1: 25. 1835. James B. Phipps Common names: Western
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to representatives of Anacampseros Linnaeus and Grahamia Gillies ex Hooker & Arnott (as originally suggested by A. Gray), in a clade not far removed from
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that name was pre-occupied by Diplandra Bertero 1830 and Diplandra Hooker & Arnott 1838, name conserved. None. Ludwigia decurrens, Ludwigia erecta window
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Although these observations pertain directly only to C. attenuata (Hooker & Arnott) Cogniaux, they perhaps also apply to the two species included here
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Nat. Sci. Philadelphia 7: 12. 1834 Synonyms: Erysimum glaberrimum Hooker & Arnott Erysimum linifolium (Nuttall) M. E. Jones Nasturtium pumilum Nuttall
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