Taxon: Pycnanthemum tenuifolium Schrad.

Summary

Genus:

Pycnanthemum

Family:

Lamiaceae (alt. Labiatae)

Subfamily:

Nepetoideae

Tribe:

Mentheae

Subtribe:

Menthinae

Nomen number:

312141

Place of publication:

Hort. gott. 10. 1809

Comment:

= Pycnanthemum flexuosum auct. (non P. flexuosum (Walter) Britton et al.)

Verified:

03/24/1989 ARS Systematic Botanists.

Accessions:

24 (21 active, 0 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

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

Invalid Designation(s)
Pycnanthemum flexuosum auct.

No images

Conservation Status

Reference(s)

Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Clewell, A. F. 1985. Guide to the vascular plants of the Florida panhandle
Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas
Duncan, W. H. & J. T. Kartesz. 1981. Vascular flora of Georgia: an annotated checklist.
Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada. Note: = Pycnanthemum flexuosum (Walter) Britton et al.
Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
Grant, E. & C. Epling. 1943. A study of Pycnanthemum (Labiatae). Univ. Calif. Publ. Bot. 20:225. Note: = Pycnanthemum flexuosum (Walter) Britton et al.
Liberty Hyde Bailey Hortorium. 1976. Hortus third. A concise dictionary of plants cultivated in the United States and Canada
Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
Mohlenbrock, R. H. 1975. Guide to the vascular flora of Illinois.
Ohio Flora Committee (E. L. Braun, T. S. Cooperrider, T. R. Fisher, J. J. Furlow). 1967-. The vascular flora of Ohio.
Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol.
Steyermark, J. A. 1977. Flora of Missouri.
Voss, E. 1972-. Michigan flora.
Wunderlin, R. P. 1998. Guide to the vascular plants of Florida

Common names

Language	Name	Alternate name	note	seq	Citation
English	narrow-leaf mountain-mint			1	Wunderlin, R. P. 1998. Guide to the vascular plants of Florida
Swedish	smalbladig präriemynta			2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Northern America	Eastern Canada	Canada	Ontario	s.	Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol.
1	Native	Northern America	North-Central U.S.A.	United States	Illinois		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	North-Central U.S.A.	United States	Iowa	s.	Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	North-Central U.S.A.	United States	Kansas		McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	Missouri		Steyermark, J. A. 1977. Flora of Missouri.
1	Native	Northern America	North-Central U.S.A.	United States	Nebraska	s.e.	McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	Oklahoma	e.	McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
1	Native	Northern America	Northeastern U.S.A.	United States	Connecticut		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
1	Native	Northern America	Northeastern U.S.A.	United States	Maine		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
1	Native	Northern America	Northeastern U.S.A.	United States	Massachusetts		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
1	Native	Northern America	Northeastern U.S.A.	United States	Michigan	s.e. & s.w.	Voss, E. 1972-. Michigan flora.
1	Native	Northern America	Northeastern U.S.A.	United States	New Hampshire		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
1	Native	Northern America	Northeastern U.S.A.	United States	New Jersey		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Northeastern U.S.A.	United States	New York		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Northeastern U.S.A.	United States	Ohio		Ohio Flora Committee (E. L. Braun, T. S. Cooperrider, T. R. Fisher, J. J. Furlow). 1967-. The vascular flora of Ohio.
1	Native	Northern America	Northeastern U.S.A.	United States	Pennsylvania		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Northeastern U.S.A.	United States	Rhode Island		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
1	Native	Northern America	Northeastern U.S.A.	United States	Vermont		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
1	Native	Northern America	Northeastern U.S.A.	United States	West Virginia		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	South-Central U.S.A.	United States	Texas	e.	Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas
1	Native	Northern America	Southeastern U.S.A.	United States	Alabama		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Southeastern U.S.A.	United States	Arkansas		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Southeastern U.S.A.	United States	Delaware		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Southeastern U.S.A.	United States	Florida	n.w.	Wunderlin, R. P. 1998. Guide to the vascular plants of Florida
1	Native	Northern America	Southeastern U.S.A.	United States	Georgia		Duncan, W. H. & J. T. Kartesz. 1981. Vascular flora of Georgia: an annotated checklist.
1	Native	Northern America	Southeastern U.S.A.	United States	Kentucky		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Southeastern U.S.A.	United States	Louisiana		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Southeastern U.S.A.	United States	Maryland		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Southeastern U.S.A.	United States	Mississippi		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina		Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
1	Native	Northern America	Southeastern U.S.A.	United States	South Carolina		Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
1	Native	Northern America	Southeastern U.S.A.	United States	Tennessee		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2

Native
Northern America

EASTERN CANADA: Canada [Ontario (s.)]
NORTHEASTERN U.S.A.: United States [Connecticut, Maine, Massachusetts, Michigan (s.e. & s.w.), New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia]
NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa (s.), Kansas, Missouri, Nebraska (s.e.), Oklahoma (e.)]
SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Delaware, Florida (n.w.), Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia]
SOUTH-CENTRAL U.S.A.: United States [Texas (e.)]

Reference(s)

Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas
Duncan, W. H. & J. T. Kartesz. 1981. Vascular flora of Georgia: an annotated checklist.
Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
Ohio Flora Committee (E. L. Braun, T. S. Cooperrider, T. R. Fisher, J. J. Furlow). 1967-. The vascular flora of Ohio.
Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol.
Steyermark, J. A. 1977. Flora of Missouri.
Voss, E. 1972-. Michigan flora.
Wunderlin, R. P. 1998. Guide to the vascular plants of Florida

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://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=312141. Accessed 15 April 2026.