Grown habit: Forb/herb
Duration: Annual, Biennial
Synonyms:
= Lactuca spicata auct. non (Lam.) Hitchc.
= Lactuca spicata (Lam.) Hitchc. var. integrifolia (Torr. & A. Gray) Britton
= Mulgedium spicatum auct. non (Lam.) Small
= Mulgedium spicatum (Lam.) Small var. integrifolium (Torr. & A. Gray) Small
Lactuca biennis
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 321.
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Distribution in USA and Canada (*)
USA (AK, CA, CO, CT, DC, DE, IA, ID, IL, IN, KY, MA, MD, ME, MI, MN, MT, NC, ND, NH, NJ, NM, NY, OH, OR, PA, RI, SD, TN, UT, VA, VT, WA, WI, WV, WY), CAN (AB, BC, LB, MB, NB, NF, NS, ON, PE, QC, SK, YT), FRA (SPM)
Map for Lactuca biennis (Moench) Fernald
(*) USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 28 August 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA
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