Lactuca

Floras and Monographs

Lactuca: [Book] Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Lactuca: [Book] Britton, Nathaniel L. & Millspaugh, Charles F. 1920. The Bahama Flora.

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