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Psychotria humboldtiana (Cham.) Müll. Arg. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
  • Cephaelis humboldtiana Cham.
    • Reference article Steyermark, J. A. 1995. Flora of the Venezuelan Guayana Project.
    • Reference article Funk, V. A., P. E. Berry, S. Alexander, T. H. Hollowell & C. L. Kelloff. 2007. Checklist of the Plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contr. U.S. Natl. Herb. 55: 1–584. View in Biodiversity Heritage Library
  • Cephaelis humboldtiana var. ornata (Müll. Arg.) Standl.
    • Reference article Steyermark, J. A. 1995. Flora of the Venezuelan Guayana Project.
  • Psychotria humboldtiana var. caudata Müll. Arg.
    • Reference article Taylor, C.M., J. A. Steyermark, P.G. Delprete, A. Vincentini, R. Cortés, D. C. Zappi, C. H. Persson, C. B. Costa & E. Anunciação. 2004. Rubiaceae. 8: 497–847. In J. A. Steyermark, P. E. Berry & B. K. Holst (eds.) Fl. Venez. Guayana. Missouri Botanical Garden Press, St. Louis.
    • Reference article Steyermark, J. A. 1995. Flora of the Venezuelan Guayana Project.
  • Psychotria humboldtiana var. ornata Müll. Arg.
    • Reference article Steyermark, J. A. 1995. Flora of the Venezuelan Guayana Project.
    • Reference article Funk, V. A., P. E. Berry, S. Alexander, T. H. Hollowell & C. L. Kelloff. 2007. Checklist of the Plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contr. U.S. Natl. Herb. 55: 1–584. View in Biodiversity Heritage Library
    • Reference article Taylor, C.M., J. A. Steyermark, P.G. Delprete, A. Vincentini, R. Cortés, D. C. Zappi, C. H. Persson, C. B. Costa & E. Anunciação. 2004. Rubiaceae. 8: 497–847. In J. A. Steyermark, P. E. Berry & B. K. Holst (eds.) Fl. Venez. Guayana. Missouri Botanical Garden Press, St. Louis.
 
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