Lactuca biennis (Moench) Fernald

Floras and Monographs

Lactuca biennis (Moench) Fernald: [Book] Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

Map Distribution

View all records of Lactuca biennis (Moench) Fernald

Objects

Images

Leaves of Lactuca biennis. Image by M. Rothman. (image/jpeg)

Habit of Lactuca biennis. Image by M. Rothman. (image/jpeg)

Stem leaves of Lactuca biennis. Image by M. Rothman. (image/jpeg)

Inflorescence of Lactuca biennis. Image by M. Rothman. (image/jpeg)

Lateral view of a head of flowers of Lactuca biennis. Image by M. Rothman. (image/jpeg)

Apical view of a head of flowers of Lactuca biennis. Image by M. Rothman. (image/jpeg)

Hollow stem of Lactuca biennis. Image by M. Rothman. (image/jpeg)

Blue ray flowers of Lactuca biennis. Photo by M. Rothman. (image/jpeg)

Blue ray flowers of Lactuca biennis. Photo by M. Rothman. (image/jpeg)

Habit of Lactuca biennis. Photo by M. Rothman. (image/jpeg)

Leaves of Lactuca biennis. Photo by M. Rothman. (image/jpeg)

Latex of Lactuca biennis. Photo by M. Rothman. (image/jpeg)

Trichomes (hairs) of Lactuca biennis. Photo by M. Rothman. (image/jpeg)

Trichomes (hairs) of Lactuca biennis. Photo by M. Rothman. (image/jpeg)

New inflorescence of Lactuca biennis. Photo by M. Rothman. (image/jpeg)

Lactuca biennis (Moench) Fernald [Asteraceae]: Photo by C. A. Gracie. (image/jpeg)

Lactuca biennis (Moench) Fernald [Asteraceae]: Photo by C. A. Gracie. (image/jpeg)