Taxon: Leymus mollis (Trin.) Pilg.

Summary

Genus:

Leymus

Family:

Poaceae (alt. Gramineae)

Subfamily:

Pooideae

Tribe:

Triticeae

Nomen number:

102171

Place of publication:

Bot. Jahrb. Syst. 74:7. 1947

Verified:

01/28/2011 ARS Systematic Botanists.

Accessions:

342 (335 active, 6 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Leymus mollis (Trin.) Pilg. subsp. mollis (1 active accession[s])
Leymus mollis (Trin.) Pilg. subsp. villosissimus (Scribn.) Á. Löve & D. Löve (2 active accession[s])

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

Basionym
Elymus mollis Trin.

Homotypic Synonym(s)
Elymus arenarius L. var. mollis (Trin.) Koidz.

Heterotypic Synonym(s)
Elymus arenarius L. var. villosus E. Mey.

No images

Conservation Status

Reference(s)

Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource).
Alderson, J. & W. C. Sharp. 1995. Grass varieties in the United States, U.S.D.A. Agric. Handb. 170, rev. ed. CRC Press. Note: Revised version of AH 170
Anamthawat-Jónsson, K. et al. 1999. Molecular variation in Leymus species and populations. Molec. Ecol. 8:309-315. Note: as a molecular polymorphic species
APHIS. Agricultural Risk Management System United States Department of Agriculture.
Bao, Y. et al. 2012. Molecular cytogenetic identification of a wheat (Triticum aestivum)- American dune grass (Leymus mollis) translocation line resistant to stripe rust. Genet. Molec. Res. 11:3198-3206.
Barkworth, M. E. & R. J. Atkins. 1984. Leymus Hochst. (Gramineae: Triticeae) in North America: taxonomy and distribution. Amer. J. Bot. 71:615.
Bothmer, R. von et al. 2005. Distribution, habitat and status for perennial Triticeae species in Japan. Bot. Jahrb. Syst. 126:339. Note: = Hystrix longearistata (Hack.) Ohwi
Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
Englert, J. M. et al. 1999-. USDA-NRCS Improved conservation plant materials released by NRCS and cooperators
FNA Editorial Committee. 1993-. Flora of North America.
Forsström, P.-O. & M. Merker. 2001. Sources of wheat powdery mildew resistance from wheat-Rye and wheat-Leymus hybrids. Hereditas (Beijing) 134:115-119.
Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada.
Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6
Kharkevich, S. S., ed. 1985. Vascular plants of the Russian Far East. Note: also cited as "Vascular plants of the Soviet Far East", and "Sosud. Rast. Sovet. Dal'nego Vostoka"
Koyama, T. 1987. Grasses of Japan and its neighboring regions Note: = Elymus arenarius subsp. mollis
Löve, Á. 1984. Conspectus of the Triticeae. Feddes Repert. 95:477.
Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. Note: = Elymus mollis Trin.
Tutin, T. G. et al., eds. 1964-1980. Flora europaea. Note: mentions
Tzvelev, N. N. 1976. Zlaki SSSR Note: lists as Leymus mollis (Trin.) H. Hara
Wang, R. R.-C. 2011. Chapter 2. Agropyron and Psathyrostachys. In: Kole, C., ed., Wild crop relatives: genomic and breeding resources, cereals 77-108. Note: this review mentioned the diversity of genome constitution in Triticeae, all types (NsXm) found in Leymus able to cross with wheat
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
Yen, C. et al. 2009. Synopsis of Leymus Hochst. (Triticeae: Poaceae). J. Syst. Evol. 47:73.

Common names

Language	Name	note	seq	Citation
English	American dune grass		1	Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
English	sea lyme grass	as Elymus mollis	1	Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. Note: = Elymus mollis Trin.
English	strand grass	as Elymus mollis	1	Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. Note: = Elymus mollis Trin.
French	élyme des sables d'Amerique		2	FNA Editorial Committee. 1993-. Flora of North America.
French	seigle de mer	as Elymus mollis	2	Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. Note: = Elymus mollis Trin.
Japanese Rōmaji	hama-ninniku	as Elymus arenarius subsp. mollis	2	Koyama, T. 1987. Grasses of Japan and its neighboring regions Note: = Elymus arenarius subsp. mollis

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Asia-Temperate	China	China	Hebei Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Temperate	China	China	Liaoning Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Temperate	China	China	Shandong Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Temperate	Eastern Asia	Japan	Hokkaidô		Koyama, T. 1987. Grasses of Japan and its neighboring regions Note: = Elymus arenarius subsp. mollis
1	Native	Asia-Temperate	Eastern Asia	Japan	Honshu		Koyama, T. 1987. Grasses of Japan and its neighboring regions Note: = Elymus arenarius subsp. mollis
1	Native	Asia-Temperate	Eastern Asia	Japan	Kyushu	n.	Koyama, T. 1987. Grasses of Japan and its neighboring regions Note: = Elymus arenarius subsp. mollis
1	Native	Asia-Temperate	Eastern Asia	Korea			Yen, C. et al. 2009. Synopsis of Leymus Hochst. (Triticeae: Poaceae). J. Syst. Evol. 47:73.
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Habarovskij kraj		Kharkevich, S. S., ed. 1985. Vascular plants of the Russian Far East. Note: also cited as "Vascular plants of the Soviet Far East", and "Sosud. Rast. Sovet. Dal'nego Vostoka"
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Kamčatskij kraj		Kharkevich, S. S., ed. 1985. Vascular plants of the Russian Far East. Note: also cited as "Vascular plants of the Soviet Far East", and "Sosud. Rast. Sovet. Dal'nego Vostoka"
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Kurile Islands		Kharkevich, S. S., ed. 1985. Vascular plants of the Russian Far East. Note: also cited as "Vascular plants of the Soviet Far East", and "Sosud. Rast. Sovet. Dal'nego Vostoka"
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Magadanskaja oblast'		Kharkevich, S. S., ed. 1985. Vascular plants of the Russian Far East. Note: also cited as "Vascular plants of the Soviet Far East", and "Sosud. Rast. Sovet. Dal'nego Vostoka"
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Primorye		Kharkevich, S. S., ed. 1985. Vascular plants of the Russian Far East. Note: also cited as "Vascular plants of the Soviet Far East", and "Sosud. Rast. Sovet. Dal'nego Vostoka"
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Sakhalin		Kharkevich, S. S., ed. 1985. Vascular plants of the Russian Far East. Note: also cited as "Vascular plants of the Soviet Far East", and "Sosud. Rast. Sovet. Dal'nego Vostoka"
1	Native	Northern America	Eastern Canada	Canada	New Brunswick		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Newfoundland and Labrador		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Nova Scotia		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Ontario		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Prince Edward Island		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Québec		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Maine		Barkworth, M. E. & R. J. Atkins. 1984. Leymus Hochst. (Gramineae: Triticeae) in North America: taxonomy and distribution. Amer. J. Bot. 71:615.
1	Native	Northern America	Northeastern U.S.A.	United States	Massachusetts		Barkworth, M. E. & R. J. Atkins. 1984. Leymus Hochst. (Gramineae: Triticeae) in North America: taxonomy and distribution. Amer. J. Bot. 71:615.
1	Native	Northern America	Northeastern U.S.A.	United States	Michigan	n.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Vermont		Barkworth, M. E. & R. J. Atkins. 1984. Leymus Hochst. (Gramineae: Triticeae) in North America: taxonomy and distribution. Amer. J. Bot. 71:615.
1	Native	Northern America	Northwestern U.S.A.	United States	Oregon	w.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Washington	w.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	California	n.w.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Subarctic America	Canada	Northwest Territories		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Subarctic America	Canada	Yukon		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Subarctic America	Greenland		s.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Subarctic America	United States	Alaska		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Alberta		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	British Columbia		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Manitoba	n.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Saskatchewan	n.	FNA Editorial Committee. 1993-. Flora of North America.

Native
Asia-Temperate

RUSSIAN FAR EAST: Russian Federation [Kurile Islands, Habarovskij kraj, Primorye, Kamčatskij kraj, Magadanskaja oblast', Sakhalin]
CHINA: China [Hebei Sheng, Liaoning Sheng, Shandong Sheng]
EASTERN ASIA: Korea, Japan [Hokkaidô, Honshu, Kyushu (n.)]

Northern America

SUBARCTIC AMERICA: Canada [Northwest Territories, Yukon], Greenland (s.), United States [Alaska]
EASTERN CANADA: Canada [Québec, Nova Scotia, Ontario, Prince Edward Island, New Brunswick, Newfoundland and Labrador]
WESTERN CANADA: Canada [Saskatchewan (n.), Alberta, Manitoba (n.), British Columbia]
NORTHEASTERN U.S.A.: United States [Maine, Massachusetts, Michigan (n.), Vermont]
NORTHWESTERN U.S.A.: United States [Oregon (w.), Washington (w.)]
SOUTHWESTERN U.S.A.: United States [California (n.w.)]

Reference(s)

Barkworth, M. E. & R. J. Atkins. 1984. Leymus Hochst. (Gramineae: Triticeae) in North America: taxonomy and distribution. Amer. J. Bot. 71:615.
FNA Editorial Committee. 1993-. Flora of North America.
Kharkevich, S. S., ed. 1985. Vascular plants of the Russian Far East. Note: also cited as "Vascular plants of the Soviet Far East", and "Sosud. Rast. Sovet. Dal'nego Vostoka"
Koyama, T. 1987. Grasses of Japan and its neighboring regions Note: = Elymus arenarius subsp. mollis
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
Yen, C. et al. 2009. Synopsis of Leymus Hochst. (Triticeae: Poaceae). J. Syst. Evol. 47:73.

Economic Uses

Usage	Type	Note	Reference
Environmental	erosion control		Alderson, J. & W. C. Sharp. 1995. Grass varieties in the United States, U.S.D.A. Agric. Handb. 170, rev. ed. CRC Press. Note: Revised version of AH 170
Environmental	revegetator		Alderson, J. & W. C. Sharp. 1995. Grass varieties in the United States, U.S.D.A. Agric. Handb. 170, rev. ed. CRC Press. Note: Revised version of AH 170

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=102171. Accessed 12 May 2026.