The genus Epiphyllum and its allies,
Britton, Nathaniel Lord, 1859-1934.
The genus Epiphyllum and its allies, by N. L. Britton and J. N. Rose. - Washington, Govt. print. off., 1913. - v, 255-262, vii p. pl. 78-84. 25 cm. - Smithsonian institution. United States national museum. Contributions from the United States national herbarium. v. 16, pt.9 .
"Bulletin of the United States national museum : issued June 6, 1913."
agr13001419
Epiphyllum.
QK1 / .U5 vol. 16, pt. 9
The genus Epiphyllum and its allies, by N. L. Britton and J. N. Rose. - Washington, Govt. print. off., 1913. - v, 255-262, vii p. pl. 78-84. 25 cm. - Smithsonian institution. United States national museum. Contributions from the United States national herbarium. v. 16, pt.9 .
"Bulletin of the United States national museum : issued June 6, 1913."
agr13001419
Epiphyllum.
QK1 / .U5 vol. 16, pt. 9