New or otherwise noteworthy Compositae

Studies in the genus Bidens

Genus Labordia. Hawaiian Euphorbiaceae, Labiatae and Compositae; Fieldiana. Botany Series V. 17, No. 6

Some matters for concern

Genus Labordia. Hawaiian Euphorbiaceae, Labiatae and Compositae; Fieldiana, Volume 17, Part 6 (index)

Some recently collected dicotyledonous plants from the Hawaiian Islands and Mexico

North American species of Taraxacum

Xanthium