racemosa subsp. alba, Pedicularis racemosa subsp. racemosa Douglas ex Bentham in W. J. Hooker, Fl. Bor.-Amer. 2: 108. 1838. Bruce W. Robart Common names:
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genusVaccinium sectionVaccinium sect. Myrtillus speciesVaccinium membranaceum Douglas ex Torrey in C. Wilkes et al., U.S. Expl. Exped. 17: 377. 1874,. Sam P. Vander
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Grassland, savanna with blue oak (Quercus douglasii Hooker & Arnott) or digger pine (Pinus sabiniana Douglas ex D. Don), usually in well-drained, rocky clay soils
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sectionMentzelia sect. Trachyphytum speciesMentzelia albicaulis (Douglas) Douglas ex Torrey & A. Gray Fl. N. Amer. 1: 534. 1840. Joshua M. Brokaw Common
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Disella hederacea (Douglas) Greene M. hederacea Douglas M. sulphurea Gillies ex Hooker & Arnott Malvastrum sulphureum (Gillies ex Hooker & Arnott) Grisebach
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Besser in W. J. Hooker, Fl. Bor.-Amer. 1: 324. 1833. Leila M. Shultz Common names: Lemon sagewort Endemic Synonyms: Artemisia discolor Douglas ex Besser Artemisia
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sectionPotentilla sect. Pensylvanicae speciesPotentilla bipinnatifida Douglas in W. J. Hooker, Fl. Bor.-Amer. 1: 188. 1832. Barbara Ertter, Reidar Elven Common
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speciesSelaginella douglasii (Hooker & Greville) Spring Bull. Acad. Roy. Sci. Bruxelles 10: 138. 1843. Iván A. Valdespino Common names: Douglas's spike-moss Endemic
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given locality. Douglas's type collection of D. nudicaule represents plants (synonyms D. sarcophyllum Hooker & Arnott and D. peltatum Hooker, an invalid name)
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