Taxon: Lactuca graminifolia Michx.

Summary

Genus:

Lactuca

Family:

Asteraceae (alt. Compositae)

Subfamily:

Cichorioideae

Tribe:

Cichorieae

Subtribe:

Lactucinae

Nomen number:

458699

Place of publication:

Fl. bor.-amer. 2:85. 1803

Verified:

02/23/2009 ARS Systematic Botanists.

Accessions:

0 (0 active, 0 available) in National Plant Germplasm System.

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

No images

Conservation Status

Reference(s)

APHIS. Agricultural Risk Management System United States Department of Agriculture.
Correll, D. S. & H. B. Correll. 1982. Flora of the Bahama archipelago.
FNA Editorial Committee. 1993-. Flora of North America.
Jones, K. E. et al. 2018. Northern Hemisphere disjunctions in Lactuca (Cichorieae, Asteraceae): independent Eurasia to North America migrations and allopolyploidization. Willdenowia 48:259-284. DOI: 10.3372/wi.48.48206. Note: 2n=34
Kilian, N. et al. 2017. Sub‐Paratethyan origin and Middle to Late Miocene principal diversification of the Lactucinae (Compositae: Cichorieae) inferred from molecular phylogenetics, divergence‐dating and biogeographic analysis. Taxon 66:675-703. DOI: 10.12705/663.9. Note:
Lebeda, A. et al. 2004. Geographical distribution of wild Lactuca species (Asteraceae, Lactuceae). Bot. Rev. (Lancaster) 70:328-356.
Lebeda, A. et al. 2019. Research gaps and challenges in the conservation and use of North American Wild Lettuce germplasm. Crop Sci. (Madison) 59:2337-2356. DOI: 10.2135/cropsci2019.05.0350. Note: biennial, tetraploid
Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes.
Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala.

Common names

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Reference
1	Native	Northern America	Northeastern U.S.A.	United States	New Jersey	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northern Mexico	Mexico	Chihuahua	Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes.
1	Native	Northern America	Northern Mexico	Mexico	Coahuila de Zaragoza	Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes.
1	Native	Northern America	Northern Mexico	Mexico	Nuevo León	Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes.
1	Native	Northern America	Northern Mexico	Mexico	San Luis Potosí	Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes.
1	Native	Northern America	Northern Mexico	Mexico	Tamaulipas	Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes.
1	Native	Northern America	Northwestern U.S.A.	United States	Colorado	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	South-Central U.S.A.	United States	New Mexico	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	South-Central U.S.A.	United States	Texas	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Alabama	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Florida	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Georgia	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Louisiana	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Mississippi	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	South Carolina	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southern Mexico	Mexico	Chiapas	Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes.
1	Native	Northern America	Southern Mexico	Mexico	Hidalgo	Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes.
1	Native	Northern America	Southern Mexico	Mexico	Michoacán de Ocampo	Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes.
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca	Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes.
1	Native	Northern America	Southern Mexico	Mexico	Puebla	Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes.
1	Native	Northern America	Southern Mexico	Mexico	Querétaro	Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes.
1	Native	Northern America	Southern Mexico	Mexico	Veracruz de Ignacio de la Llave	Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes.
1	Native	Northern America	Southwestern U.S.A.	United States	Arizona	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Southern America	Caribbean	Bahamas		Correll, D. S. & H. B. Correll. 1982. Flora of the Bahama archipelago.
1	Native	Southern America	Central America	Guatemala		Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala.

Native
Northern America

NORTHEASTERN U.S.A.: United States [New Jersey]
NORTHWESTERN U.S.A.: United States [Colorado]
SOUTHEASTERN U.S.A.: United States [Alabama, Florida, Georgia, Louisiana, North Carolina, South Carolina, Mississippi]
SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
SOUTHWESTERN U.S.A.: United States [Arizona]
NORTHERN MEXICO: Mexico [Chihuahua, Coahuila de Zaragoza, Nuevo León, San Luis Potosí, Tamaulipas]
SOUTHERN MEXICO: Mexico [Chiapas, Hidalgo, Michoacán de Ocampo, Oaxaca, Puebla, Querétaro, Veracruz de Ignacio de la Llave]

Southern America

CARIBBEAN: Bahamas
CENTRAL AMERICA: Guatemala

Reference(s)

Correll, D. S. & H. B. Correll. 1982. Flora of the Bahama archipelago.
FNA Editorial Committee. 1993-. Flora of North America.
Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes.
Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=458699. Accessed 8 October 2026.