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Did you mean: hookeri arnott
- Isocoma menziesii var. sedoides, Isocoma menziesii var. vernonioides (Hooker & Arnott) G. L. Nesom Phytologia 70: 93. 1991. Guy L. Nesom Common names: Pacific5 KB (211 words) - 20:58, 5 November 2020
- concern Basionym: Hartmannia pungens Hooker & Arnott Bot. Beechey Voy., 357. 1839 Synonyms: Hemizonia pungens (Hooker & Arnott) Torrey & A. Gray Treatment appears3 KB (172 words) - 19:32, 6 November 2020
- Oenothera viminea var. parviflora Hooker & Arnott Bot. Beechey Voy., 342. 1839 Synonyms: Godetia parviflora (Hooker & Arnott) Jepson Treatment appears in FNA4 KB (251 words) - 11:32, 9 May 2022
- Hazardia squarrosa var. obtusa, Hazardia squarrosa var. squarrosa (Hooker & Arnott) Greene Erythea 2: 112. 1894. W. Dennis Clark Common names: Saw-tooth3 KB (212 words) - 20:58, 5 November 2020
- familyCalycanthaceae genusCalycanthus speciesCalycanthus occidentalis Hooker & Arnott Bot. Beechey Voy., 340, plate 84. 1841. George P. Johnson Common names:3 KB (243 words) - 22:49, 5 November 2020
- munzii, Layia pentachaeta, Layia platyglossa, Layia septentrionalis Hooker & Arnott ex de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr10 KB (478 words) - 21:13, 5 November 2020
- Basionym: Distasis concinna Hooker & Arnott Bot. Beechey Voy., 350. 1839 Synonyms: E. pumilus var. concinnus (Hooker & Arnott) Dorn Treatment appears in4 KB (334 words) - 19:28, 6 November 2020
- familySaururaceae genusAnemopsis Show Lower Taxa Anemopsis californica Hooker & Arnott Bot. Beechey Voy., 390. 1841. George F. Buddell II, John W. Thieret2 KB (190 words) - 22:51, 5 November 2020
- densiflorus var. densiflorus, Lithocarpus densiflorus var. echinoides (Hooker & Arnott) Rehder in L. H. Bailey, Stand. Cycl. Hort. 6: 3569. 1917. Kevin C.4 KB (277 words) - 17:59, 6 November 2020
- californica var. californica, Umbellularia californica var. fresnensis (Hooker & Arnott) Nuttall N. Amer. Sylv. 1: 87. 1842. Henk van der Werff Common names:3 KB (182 words) - 17:59, 6 November 2020
- genusAdenostoma Show Lower Taxa Adenostoma fasciculatum, Adenostoma sparsifolium Hooker & Arnott Bot. Beechey Voy., 139. 1832. William Jones, James Henrickson Common5 KB (425 words) - 23:58, 5 November 2020
- Baeriinae genusAmblyopappus Show Lower Taxa Amblyopappus pusillus Hooker & Arnott J. Bot. (Hooker) 3: 321. 1841. John L. Strother Etymology: Greek ambly -, blunt3 KB (216 words) - 21:15, 5 November 2020
- californica (Hooker & Arnott) Sullivant Proc. Amer. Acad. Arts 3: 185. 1855. Clayton C. Newberry Illustrated Basionym: Neckera californica Hooker & Arnott Bot.5 KB (497 words) - 22:39, 5 November 2020
- fasciculatum var. obtusifolium, Adenostoma fasciculatum var. prostratum Hooker & Arnott Bot. Beechey Voy., 139. 1832. William Jones, James Henrickson Common4 KB (316 words) - 23:58, 5 November 2020
- (Nuttall) Hooker & Arnott Bot. Beechey Voy., 390. 1840. George F. Buddell II, John W. Thieret Illustrated Basionym: Anemia californica (Nuttall) Hooker & Arnott3 KB (272 words) - 20:38, 6 November 2020
- familyCapparaceae genusAtamisquea Show Lower Taxa Atamisquea emarginata Miers ex Hooker & Arnott Bot. Misc. 3: 142. 1833. Gordon C. Tucker Etymology: For Atamisco region2 KB (167 words) - 23:32, 5 November 2020
- ilicifolia var. ilicifolia, Prunus ilicifolia var. occidentalis (Nuttall ex Hooker & Arnott) D. Dietrich Syn. Pl. 3: 43. 1842. Joseph R. Rohrer Common names: Hollyleaf4 KB (289 words) - 23:57, 5 November 2020
- Basionym: Polypodium intermedium Hooker & Arnott 1840, Synonyms: Polypodium vulgare var. intermedium (Hooker & Arnott) Fernald Treatment appears in FNA4 KB (343 words) - 21:22, 5 November 2020
- Castilleja ambigua var. insalutata, Castilleja ambigua var. meadii Hooker & Arnott Bot. Beechey Voy., 154. 1833. J. Mark Egger, Peter F. Zika, Barbara5 KB (476 words) - 19:18, 6 November 2020
- familyCapparaceae genusAtamisquea speciesAtamisquea emarginata Miers ex Hooker & Arnott Bot. Misc. 3: 143. 1833. Gordon C. Tucker Common names: Palo-zorillo3 KB (221 words) - 23:32, 5 November 2020
- subtribe Baeriinae genusAmblyopappus speciesAmblyopappus pusillus Hooker & Arnott J. Bot. (Hooker) 3: 321. 1841. John L. Strother Illustrated Treatment appears2 KB (143 words) - 21:15, 5 November 2020
- speciesUmbellularia californica varietyUmbellularia californica var. californica (Hooker & Arnott) Nuttall Henk van der Werff Illustrated Treatment appears in FNA Volume2 KB (107 words) - 22:48, 5 November 2020
- pusilla (Hooker & Arnott) R. K. Jansen Syst. Bot. Monogr. 8: 46. 1985. John L. Strother Introduced Basionym: Spilanthes pusilla Hooker & Arnott J. Bot.2 KB (153 words) - 21:11, 5 November 2020
- Castilleja affinis var. contentiosa, Castilleja affinis var. neglecta Hooker & Arnott Bot. Beechey Voy., 154. 1833. J. Mark Egger, Peter F. Zika, Barbara5 KB (503 words) - 20:24, 5 November 2020
- Ribes californicum var. californicum, Ribes californicum var. hesperium Hooker & Arnott Bot. Beechey Voy., 346. 1839 ,. Nancy R. Morin Common names: Hillside4 KB (423 words) - 23:44, 5 November 2020
- Chaenactis douglasii var. alpina, Chaenactis douglasii var. douglasii (Hooker) Hooker & Arnott Bot. Beechey Voy., 354. 1839. James D. Morefield Common names: Hoary4 KB (310 words) - 19:29, 6 November 2020
- subfamilyMalvaceae subfam. Malvoideae genusAnoda speciesAnoda lanceolata Hooker & Arnott Bot. Beechey Voy., 411. 1840. Paul A. Fryxell†, Steven R. Hill Synonyms:3 KB (256 words) - 23:21, 5 November 2020
- Orthocarpus tolmiei subsp. holmgreniorum, Orthocarpus tolmiei subsp. tolmiei Hooker & Arnott Bot. Beechey Voy., 379. 1839. Kerry A. Barringer Endemic Treatment appears3 KB (234 words) - 19:15, 6 November 2020
- AL familyChenopodiaceae genusGrayia Show Lower Taxa Grayia spinosa Hooker & Arnott Bot. Beechey Voy., 387. 1841. Noel H. Holmgren Common names: Hopsage2 KB (213 words) - 22:59, 5 November 2020
- carinata Hooker & Arnott ex Torrey Ann. Lyceum Nat. Hist. New York 3: 349. 1836. S. Galen Smith IllustratedEndemic Basionym: Scirpus carinatus (Hooker & Arnott3 KB (302 words) - 21:39, 5 November 2020
- ericoides Lessing Linnaea 6: 117. 1831 Synonyms: Haplopappus ericoides (Lessing) Hooker & Arnott Haplopappus ericoides subsp. blakei C. B. Wolf Treatment appears in4 KB (331 words) - 21:06, 5 November 2020
- pharmacist and entomologist Basionym: Nuttallia Torrey & A. Gray ex Hooker & Arnott Bot. Beechey Voy., 336. 1839, Treatment appears in FNA Volume 9. Treatment4 KB (447 words) - 23:58, 5 November 2020
- LAYOUT:treatment:TUOYAL familyLiliaceae genusAllium speciesAllium falcifolium Hooker & Arnott Bot. Beechey Voy., 400. 1841. Dale W. McNeal Jr., T. D. Jacobsen IllustratedEndemic3 KB (324 words) - 22:15, 5 November 2020
- tribeBrassicaceae tribe Arabideae genusArabis speciesArabis blepharophylla Hooker & Arnott Bot. Beechey Voy., 321. 1838. Ihsan A. Al-Shehbaz IllustratedEndemic4 KB (384 words) - 23:32, 5 November 2020
- grossulariifolia Hooker & Arnott Bot. Beechey Voy., 326. 1838 (as grossulariaefolia) Synonyms: Malvastrum coccineum var. grossulariifolium (Hooker & Arnott) Torrey4 KB (325 words) - 23:22, 5 November 2020
- familySaxifragaceae genusLithophragma speciesLithophragma heterophyllum (Hooker & Arnott) Hooker & Arnott in J. Torrey and A. Gray, Fl. N. Amer. 1: 584. 1840 (as heterophylla)4 KB (349 words) - 23:41, 5 November 2020
- Ranunculus sectionRanunculus sect. Echinella speciesRanunculus hebecarpus Hooker & Arnott Bot. Beechey Voy., 316. 1838. Alan T. Whittemore Illustrated Treatment3 KB (215 words) - 22:51, 5 November 2020
- subfamilyPolygonaceae subfam. Polygonoideae genusAntigonon speciesAntigonon leptopus Hooker & Arnott Bot. Beechy Voy., 308, plate 69. 1838. Craig C. Freeman Common names:3 KB (297 words) - 23:07, 5 November 2020
- giganteum (Hooker & Arnott) Munz Aliso 4: 88. 1958. Frederick W. Case Jr. Endemic Basionym: Trillium sessile var. giganteum Hooker & Arnott Bot. Beechey3 KB (244 words) - 22:12, 5 November 2020
- (Gillies ex Hooker & Arnott) Lourteig Darwiniana 9: 465. 1951. Alan T. Whittemore Basionym: Ranunculus trisepalus Gillies ex Hooker & Arnott Bot. Misc.3 KB (218 words) - 22:45, 5 November 2020
- Jussiaeahexapetala hooker & Arnott Bot. Misc. 3: 312. 1833 Synonyms: J. repens var. major Hassler Ludwigia grandiflora subsp. hexapetala (Hooker & Arnott) G. L. Nesom6 KB (702 words) - 11:31, 9 May 2022
- macrourus (Rydberg) Jepson C. douglasii Rafinesque C. macrourus Nuttall ex Hooker & Arnott C. minutiflorus Rydberg C. montanus var. glaber (S. Watson) F. L. Martin6 KB (634 words) - 23:57, 5 November 2020
- laricifolius var. exilifolius, Penstemon laricifolius var. laricifolius Hooker & Arnott Bot. Beechey Voy., 376. 1839. (as Pentstemon) Craig C. Freeman Common4 KB (387 words) - 19:14, 6 November 2020
- Heliantheae) subtribe Madiinae genusLayia speciesLayia gaillardioides (Hooker & Arnott) de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr4 KB (328 words) - 21:13, 5 November 2020
- genusMentzelia sectionMentzelia sect. Trachyphytum speciesMentzelia micrantha (Hooker & Arnott) Torrey & A. Gray Fl. N. Amer. 1: 535. 1840. Joshua M. Brokaw Common4 KB (377 words) - 20:15, 5 November 2020
- tribe Astereae genusCorethrogyne speciesCorethrogyne filaginifolia (Hooker & Arnott) Nuttall Trans. Amer. Philos. Soc., n. s. 7: 290. 1841. Staci Markos6 KB (331 words) - 20:58, 5 November 2020
- LAYOUT:treatment:TUOYAL familyPhrymaceae genusDiplacus speciesDiplacus nanus (Hooker & Arnott) G. L. Nesom Phytoneuron 2012-39: 29. 2012. Guy L. Nesom, Melissa C4 KB (400 words) - 20:30, 5 November 2020
- genusCeanothus subgenusCeanothus subg. Ceanothus speciesCeanothus integerrimus Hooker & Arnott Bot. Beechey Voy., 329. 1838. Clifford L. Schmidt†, Dieter H. Wilken4 KB (446 words) - 20:18, 5 November 2020
- endocarp, these are considered pseudodrupes, not true drupes. In Jodina Hooker & Arnott ex Meisner, the endocarp is apparently consumed during endosperm development3 KB (351 words) - 20:15, 5 November 2020
- chrysantha (Hooker & Arnott) Walpers Repert. Bot. Syst. 1: 118. 1842. Kingsley R. Stern Common names: Golden eardrops Basionym: Dielytra chrysantha Hooker & Arnott3 KB (366 words) - 22:45, 5 November 2020
- decorticans (Hooker & Arnott) Jepson O. boothii subsp. decorticans (Hooker & Arnott) Munz O. boothii subsp. rutila (Davidson) Munz O. decorticans (Hooker & Arnott)5 KB (367 words) - 11:33, 9 May 2022
- Myriophyllum brasiliense Cambessèdes M. proserpinacoides Gillies ex Hooker & Arnott Treatment appears in FNA Volume 10. Illustrator: Copyright: Herbs dioecious5 KB (508 words) - 11:31, 9 May 2022
- genusQuercus sectionQuercus sect. Quercus speciesQuercus douglasii Hooker & Arnott Bot. Beechey Voy. 9: 391. 1840. Kevin C. Nixon Common names: Blue oak4 KB (468 words) - 22:47, 5 November 2020
- Holostigma alyssoides (Hooker & Arnott) Hooker O. alyssoides var. villosa S. Watson O. boothii subsp. alyssoides (Hooker & Arnott) Munz O. gauriflora var5 KB (298 words) - 11:33, 9 May 2022
- subtribe Madiinae genusLayia speciesLayia heterotricha (de Candolle) Hooker & Arnott Bot. Beechey Voy., 358. 1839. Bruce G. Baldwin, Susan J. Bainbridge3 KB (301 words) - 21:13, 5 November 2020
- familyCyperaceae genusCarex sectionCarex sect. Racemosae speciesCarex gmelinii Hooker & Arnott Bot. Beechey Voy., 118, plate 27. 1832. David F. Murray Illustrated3 KB (227 words) - 21:42, 5 November 2020
- Jun). Habitat: Grassland, savanna with blue oak (Quercus douglasii Hooker & Arnott) or digger pine (Pinus sabiniana Douglas ex D. Don), usually in well-drained3 KB (265 words) - 22:14, 5 November 2020
- graciliflora Hooker & Arnott Bot. Beechey Voy., 341. 1839 Synonyms: Camissonia graciliflora (Hooker & Arnott) P. H. Raven Taraxia graciliflora (Hooker & Arnott)3 KB (297 words) - 11:33, 9 May 2022
- Maurandya stricta Hooker & Arnott Bot. Beechy Voy., 375. 1839 Synonyms: Antirrhinum hookerianum Pennell ex Millspaugh Asarina stricta (Hooker & Arnott) Pennell3 KB (236 words) - 20:28, 5 November 2020
- Heliantheae) subtribe Madiinae genusLayia speciesLayia glandulosa (Hooker) Hooker & Arnott Bot. Beechey Voy., 358. 1839. Bruce G. Baldwin, Susan J. Bainbridge4 KB (359 words) - 21:13, 5 November 2020
- ranges from southwestern Washington to central California; L. kunthii Hooker & Arnott is known only from central Chile (P. H. Raven 1963c). The species are3 KB (212 words) - 21:15, 5 November 2020
- heterophyllum var. scabrellum (Greene) Jepson Lithophragma scabrellum Hooker & Arnott Lithophragma scabrellum var. peirsonii Jepson Tellima heterophylla var4 KB (382 words) - 23:41, 5 November 2020
- subtribe Madiinae genusLayia speciesLayia hieracioides (de Candolle) Hooker & Arnott Bot. Beechey Voy., 358. 1839. Bruce G. Baldwin, Susan J. Bainbridge4 KB (323 words) - 21:13, 5 November 2020
- parviflora Nuttall ex Hooker & Arnott Bot. Beechey Voy., 338. 1839 Synonyms: H. fusca subsp. parviflora (Nuttall ex Hooker & Arnott) D. D. Keck Potentilla6 KB (620 words) - 23:56, 5 November 2020
- cespitosa subspeciesOenothera cespitosa subsp. marginata (Nuttall ex Hooker & Arnott) Munz in N. L. Britton et al. N. Amer. Fl., ser. 2, 5: 101. 1965. (as6 KB (457 words) - 11:31, 9 May 2022
- Basionym: Malva malachroides Hooker & Arnott Bot. Beechey Voy., 326. 1838 Synonyms: Hesperalcea malachroides (Hooker & Arnott) Greene Sidalcea vitifolia A4 KB (398 words) - 23:22, 5 November 2020
- hederacea Douglas M. sulphurea Gillies ex Hooker & Arnott Malvastrum sulphureum (Gillies ex Hooker & Arnott) Grisebach Sida hederacea (Douglas) Torrey4 KB (320 words) - 23:21, 5 November 2020
- LAYOUT:treatment:TUOYAL familyRanunculaceae genusEnemion speciesEnemion occidentale (Hooker & Arnott) J. R. Drummond & Hutchinson Bull. Misc. Inform. Kew 1920: 160. 19203 KB (209 words) - 22:47, 5 November 2020
- speciesCeanothus oliganthus varietyCeanothus oliganthus var. sorediatus (Hooker & Arnott) Hoover Leafl. W. Bot. 10: 349. 1966. Clifford L. Schmidt†, Dieter H3 KB (217 words) - 20:15, 5 November 2020
- lasiophyllus (Hooker & Arnott) Payson Ann. Missouri Bot. Gard. 9: 303. 1923. Ihsan A. Al-Shehbaz Basionym: Turritis lasiophylla Hooker & Arnott Bot. Beechey8 KB (549 words) - 23:30, 5 November 2020
- tribeAsteraceae tribe Astereae genusGrindelia speciesGrindelia hirsutula Hooker & Arnott Bot. Beechey Voy., 147. 1833. John L. Strother, Mark A. Wetter Endemic20 KB (2,018 words) - 21:07, 5 November 2020
- genusChaenactis sectionChaenactis sect. Chaenactis speciesChaenactis stevioides Hooker & Arnott Bot. Beechey Voy., 353. 1839. James D. Morefield Common names: Desert6 KB (568 words) - 21:07, 5 November 2020
- familyZygophyllaceae genusKallstroemia speciesKallstroemia maxima (Linnaeus) Hooker & Arnott Bot. Beechey Voy., 282. 1838. Duncan M. Porter Basionym: Tribulus maximus Linnaeus4 KB (399 words) - 20:13, 5 November 2020
- Heliantheae) subtribe Madiinae genusHolozonia speciesHolozonia filipes (Hooker & Arnott) Greene Bull Torrey Bot. Club 9: 122. 1882. Bruce G. Baldwin, John L3 KB (193 words) - 21:14, 5 November 2020
- tribeAsteraceae tribe Gnaphalieae genusLogfia speciesLogfia filaginoides (Hooker & Arnott) Morefield Novon 14: 473. 2004. James D. Morefield Common names: California5 KB (420 words) - 20:55, 5 November 2020
- subtribe Chaenactidinae genusSchkuhria speciesSchkuhria multiflora Hooker & Arnott J. Bot. (Hooker) 3: 322. 1841. John L. Strother Synonyms: Bahia neomexicana (A3 KB (215 words) - 21:15, 5 November 2020
- cocklebur clotbur lampourde épineuse Synonyms: Xanthium ambrosioides Hooker & Arnott Xanthium spinosum var. inerme Bel Treatment appears in FNA Volume 213 KB (253 words) - 21:11, 5 November 2020
- tribeAsteraceae tribe Senecioneae genusTetradymia speciesTetradymia spinosa Hooker & Arnott Bot. Beechey Voy., 360. 1839. John L. Strother IllustratedEndemic Treatment2 KB (189 words) - 21:00, 5 November 2020
- congesta subsp. vernalis (D. D. Keck) Tanowitz Hemizonia lutescens Hooker & Arnott Hemizonia luzulifolia var. citrina (Greene) Jepson Hemizonia multicaulis4 KB (257 words) - 21:14, 5 November 2020
- LAYOUT:treatment:TUOYAL familyLiliaceae genusCalochortus speciesCalochortus uniflorus Hooker & Arnott Bot. Beechey Voy., 398, plate 94. 1840. P. L. Fiedler, R. K. Zebell2 KB (189 words) - 22:13, 5 November 2020
- tribeAsteraceae tribe Astereae genusErigeron speciesErigeron velutipes Hooker & Arnott Bot. Beechey Voy., 434. 1841. Guy L. Nesom Common names: Delicate fleabane3 KB (257 words) - 21:05, 5 November 2020
- LAYOUT:treatment:TUOYAL familyOxalidaceae genusOxalis speciesOxalis laxa Hooker & Arnott Bot. Beechey Voy., 13. 1830. Guy L. Nesom Common names: Dwarf wood-sorrel3 KB (210 words) - 20:17, 5 November 2020
- LAYOUT:treatment:TUOYAL familyLiliaceae genusCalochortus speciesCalochortus tolmiei Hooker & Arnott Bot. Beechey Voy., 398. 1840. P. L. Fiedler, R. K. Zebell Common names:2 KB (171 words) - 22:13, 5 November 2020
- Al-Shehbaz, John F. Gaskin WeedyIllustrated Synonyms: Lepidium leiocarpum Hooker & Arnott Lepidium nitidum var. howellii C. L. Hitchcock Lepidium nitidum var6 KB (641 words) - 23:37, 5 November 2020
- grandiflora (Michaux) Micheli J. repens var. hispida Hauman J. stenophylla Gillies ex Hooker & Arnott J. stuckertii H. Léveillé J. uruguayensis Cambessèdes Ludwigia clavellina7 KB (734 words) - 11:31, 9 May 2022
- seriesCrataegus (sect. Coccineae) ser. Aestivales speciesCrataegus opaca Hooker & Arnott Compan. Bot. Mag. 1: 25. 1835. James B. Phipps Common names: Western4 KB (351 words) - 00:00, 6 November 2020
- to representatives of Anacampseros Linnaeus and Grahamia Gillies ex Hooker & Arnott (as originally suggested by A. Gray), in a clade not far removed from3 KB (262 words) - 22:56, 5 November 2020
- that name was pre-occupied by Diplandra Bertero 1830 and Diplandra Hooker & Arnott 1838, name conserved. None. Ludwigia decurrens, Ludwigia erecta window3 KB (333 words) - 11:31, 9 May 2022
- Although these observations pertain directly only to C. attenuata (Hooker & Arnott) Cogniaux, they perhaps also apply to the two species included here4 KB (396 words) - 23:23, 5 November 2020
- Nat. Sci. Philadelphia 7: 12. 1834 Synonyms: Erysimum glaberrimum Hooker & Arnott Erysimum linifolium (Nuttall) M. E. Jones Nasturtium pumilum Nuttall5 KB (475 words) - 23:30, 5 November 2020
- tanacetifolium de Candolle Nasturtium tanacetifolium (de Candolle) Hooker & Arnott Nasturtium walteri (Elliott) Alph. Wood Rorippa obtusa (Nuttall) Britton5 KB (373 words) - 23:36, 5 November 2020
- Endemic Synonyms: Alyssum dentatum Nuttall Draba dentata (Nuttall) Hooker & Arnott Draba ramosissima var. glabrifolia E. L. Braun Treatment appears in4 KB (361 words) - 23:33, 5 November 2020
- AL familyOrobanchaceae genusCastilleja speciesCastilleja foliolosa Hooker & Arnott Bot. Beechey Voy., 154. 1833. J. Mark Egger, Peter F. Zika, Barbara4 KB (458 words) - 20:24, 5 November 2020
- AL familyOrobanchaceae genusCastilleja speciesCastilleja latifolia Hooker & Arnott Bot. Beechey Voy., 154. 1833. J. Mark Egger, Peter F. Zika, Barbara4 KB (418 words) - 20:25, 5 November 2020
- the central and southern Sierra Nevada). One species, G. micranthum Hooker & Arnott, is endemic to southern South America in Argentina and Chile, and one10 KB (849 words) - 17:53, 2 December 2022
- Lepidium alyssoides var. stenocarpum Thellung Lepidium brachybotryum Hooker & Arnott Lepidium corymbosum Rydberg Lepidium crandallii Nuttall Lepidium integrifolium11 KB (1,060 words) - 23:37, 5 November 2020
- J. Uttal (1982), both of whom treated it as Senecio canabinaefolius Hooker & Arnott. It is toxic to livestock; it seems not to have persisted in the flora25 KB (1,128 words) - 20:59, 5 November 2020
- integrifolia appears to be T. absinthoides (Hooker & Arnott) Cabrera [= Pluchea absinthoides (Hooker & Arnott) H. Robinson & Cuatrecasas]. Both species have4 KB (453 words) - 20:56, 5 November 2020
- bipolar distribution (e.g., Anemone multifida Poiret, Osmorhiza chilensis Hooker & Arnott, and Carex macloviana D’Urville). None. None. window.propertiesFrom3 KB (285 words) - 23:08, 5 November 2020
- D. nudicaule represents plants (synonyms D. sarcophyllum Hooker & Arnott and D. peltatum Hooker, an invalid name) grown under very moist conditions, probably4 KB (429 words) - 22:48, 5 November 2020
- veitchiana Hooker Sphaerostigma bistortum (Nuttall ex Torrey & A. Gray) Walpers S. bistortum var. veitchianum (Hooker) A. Nelson S. veitchianum (Hooker) Small5 KB (496 words) - 11:33, 9 May 2022
- Monotropsis, Orthilia, Pityopus, Pleuricospora, Pterospora, Pyrola, Sarcodes Arnott M. Napier, Encycl. Brit. ed. 7 5: 118. 1832. Gordon C. Tucker, Gary D. Wallace7 KB (777 words) - 23:41, 5 November 2020
- Cucumella Chiovenda Dicoelospermum C. B. Clarke Melo Miller Mukia Arnott Myrmecosicyos C. Jeffrey Oreosyce Hooker f. Treatment appears in FNA Volume 6. Treatment on page11 KB (1,064 words) - 23:21, 5 November 2020
- familyCucurbitaceae genusApodanthera Show Lower Taxa Apodanthera undulata Arnott J. Bot. (Hooker) 3: 274. 1841. Guy L. Nesom Common names: Melon loco Etymology:3 KB (313 words) - 23:21, 5 November 2020
- sectionMentzelia sect. Bartonia speciesMentzelia albescens (Gillies ex Arnott) Bentham & Hooker f. ex Grisebach Abh. Königl. Ges. Wiss. Göttingen 19: 150. 18744 KB (401 words) - 20:13, 5 November 2020
- Limniris) ser. Longipetalae speciesIris longipetala Herbert in W. J. Hooker and G. A. W. Arnott, Bot. Beechey Voy., 395. 1840. Norlan C. Henderson Common names:4 KB (367 words) - 22:17, 5 November 2020
- Limniris) ser. Californicae speciesIris douglasiana Herbert in W. J. Hooker and G. A. W. Arnott, Bot. Beechey Voy., 395. 1840. Norlan C. Henderson Common names:6 KB (533 words) - 17:44, 8 December 2021
- EndemicIllustrated Basionym: Nuttallia cerasiformis Torrey & A. Gray in W. J. Hooker and G. A. W. Arnott, Bot. Beechey Voy., 337. 1839 Synonyms: Osmaronia cerasiformis (Torrey3 KB (261 words) - 23:58, 5 November 2020
- Saxifraga richardsonii Hooker Fl. Bor.-Amer. 1: 247. 1832 Synonyms: Hemieva richardsonii (Hooker) Rafinesque Therofon richardsonii (Hooker) Kuntze Treatment3 KB (301 words) - 23:42, 5 November 2020
- genusCyclanthera speciesCyclanthera dissecta (Torrey & A. Gray) Arnott J. Bot. (Hooker) 3: 280. 1841. Guy L. Nesom Common names: Cut-leaf or Texas coastal3 KB (286 words) - 23:19, 5 November 2020
- glabriuscula var. heterocarpha was not tested. As noted by W. J. Hooker and G. A. W. Arnott ([1830–]1841) and D. W. Kyhos (1965), some forms of C. glabriuscula6 KB (468 words) - 19:29, 6 November 2020
- in California, Mexico, and other regions of the world. W.J. Hooker and George Walker-Arnott (1799--1868) described the plants made on this 1825--1828 voyage104 KB (16,916 words) - 22:44, 13 February 2019