| Calopogon pallidus Chapm. | Goldman, D. H., R. K. Jansen, C. van den Berg, I. J. Leitch, M. F. Fay & M. W. Chase. 2004. Molecular and cytological examination of Calopogon (Orchidaceae, Epidendroideae): circumscription, phylogeny, polyploidy, and possible hybrid speciation. Amer. J. Bot. 91: 707–723. | 04-06 | | 38, 40 |
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| Calopogon pallidus Chapm. ~C. tuberosus~ (L.) Britton, Sterns & Poggenb. | Goldman, D. H., R. K. Jansen, C. van den Berg, I. J. Leitch, M. F. Fay & M. W. Chase. 2004. Molecular and cytological examination of Calopogon (Orchidaceae, Epidendroideae): circumscription, phylogeny, polyploidy, and possible hybrid speciation. Amer. J. Bot. 91: 707–723. | 04-06 | | 38, 40 |
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