Contributions from the Gray Herbarium of Harvard University: The North American Alsineæ; Descriptions of New and Hitherto Imperfectly Known Plants Collected in Mexico by C. G. Pringle in 1892 and 1893; Notes upon the Genus Galinsoga; Miscellaneous Notes and New Species

B. L. Robinson
1893 Proceedings of the American Academy of Arts and Sciences  
doi:10.2307/20020563 fatcat:pdxhhprrjbeabb3vlyr34bi57q