The North American species of Aquilegia.
Payson, Edwin Blake, 1893-1927.
The North American species of Aquilegia. By Edwin Blake Payson. - Washington, Govt. print. off., 1918. - vii, 133-157, ix p. pl. 9-14. 24 cm. - Smithsonian institution. United States National museum. Contributions from the United States national herbarium. v. 20, pt.4 .
agr18000806
QK1 / .U5 vol. 26, pt. 4
The North American species of Aquilegia. By Edwin Blake Payson. - Washington, Govt. print. off., 1918. - vii, 133-157, ix p. pl. 9-14. 24 cm. - Smithsonian institution. United States National museum. Contributions from the United States national herbarium. v. 20, pt.4 .
agr18000806
QK1 / .U5 vol. 26, pt. 4