Michaux Fl. Bor.-Amer. 2: 289. 1803,. Richard H. Zander Synonyms: Trematodon ambiguus var. longicollis (Michaux) Arnott Treatment appears in FNA Volume 27. Treatment
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Bruchiaceae Bruchia ravenelii Patricia M. Eckel Bruchiaceae Trematodon ambiguus Patricia M. Eckel ... further results
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names: Little-cup beardtongue Endemic Basionym: Penstemon azureus var. ambiguus A. Gray in A. Gray et al., Syn. Fl. N. Amer. 2(1): 272. 1878 Treatment
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Worley and Z. Iwatsuki (1970) reported both Trematodon brevicollis and T. ambiguus from Alaska. None. None. window.propertiesFromHigherTaxa=[{"rank":"genus"
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Hybrids of H. giganteus with H. divaricatus have been referred to as H. ambiguus (Torrey & A. Gray) Britton and H. ×divariserratus R. W. Long (Long 1954)
4 KB (378 words) - 21:12, 5 November 2020