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url* (2001): leaf anatomy of 16 taxa of the "trichocentrum" clade (orchidaceae: oncidiinae).
(1): 14-26* sandoval zapotitla e, terrazas t, 2001, leaf anatomy of 16 taxa of the trichocentrum clade (orchidaceae: oncidiinae).
* (2001): molecular systematics of the oncidiinae based on evidence from four dna sequence regions: expanded circumscriptions of "cyrtochilum, erycina, otoglossum", and "trichocentrum" and a new genus (orchidaceae).
(2): 81-93* williams nh, chase mw, fulcher t, whitten wm, 2001, molecular systematics of the oncidiinae based on evidence from four dna sequence regions: expanded circumscriptions of cyrtochilum, erycina, otoglossum, and trichocentrum and a new genus (orchidaceae).