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Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Cladus: Commelinids
Ordo: Poales

Familia: Juncaceae
Genus: Juncus
Species: Juncus saximontanus

Juncus saximontanus A.Nels.

Juncus arcticus var. montanus (Engelm.) Welsh, Andersons Flora of Alaska, p. 611 (1974)
Juncus balticus var. montanus Engelm., Trans. Acad. Sci. St. Louis 2: 242 (1866)
Juncus brunnescens Rydb., Bull. Torr. Bot. Club 31: 400 (1904)
Juncus ensifolius var. brunnescens (Rydb.) Cronquist
Juncus ensifolius var. montanus (Engelm.) C.L.Hitchc., Vasc. Pl. Pacific Northw. 1: 195 (1969)
Juncus mertensianus var. paniculatus Engelm., Trans. Acad. Sci. St. Louis 2: 479 (1868)
Juncus parvus Rydb., Bull. Torr. Bot. Club 31: 401 (1904)
Juncus saximontanus f. brunnescens (Rydb.) F.J.Herm., J. Wash. Acad. Sci. 30: 218 (1940)
Juncus saximontanus var. robustior Peck, Torreya 28: 54 (1928)
Juncus tracyi Rydb.
Juncus tracyi f. utahensis (R.F.Martin) F.J.Herm.
Juncus utahensis R.F.Martin
Juncus xiphioides var. montanus Engelm., Trans. Acad. Sci. St. Louis 2: 481 (1868)

Native distribution areas:

Continental: Northern America
'Regional: Western USA
USA (Alaska; Arizona, California, Colorado, Idaho, Montana, New Mexico, Nevada, Oregon, South Dakota, Texas, Utah, Washington State, Wyoming
'Regional: Canada
Canada (Alberta, British Columbia, Saskatchewan)
'Regional: Mexico
Mexico (Chihuahua, Coahuila, Durango, Sonora)
Continental: Southern America
'Regional: Central America

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
Primary references

Nelson, A., 1902. Bull. Torrey Bot. Club 29: 401.

Additional references

Kirschner, J. & al. (2002). Juncaceae Species Plantarum: Flora of the World 6-8: 1-237, 1-336,1-192. Australian Biological Resources Study, Canberra.


Govaerts, R. et al. 2022. Juncus saximontanus in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2022 Mar 09. Reference page.
Hassler, M. 2022. Juncus saximontanus. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2022. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2022 Mar 09. Reference page. 2022. Juncus saximontanus. Missouri Botanical Garden. Published online. Accessed: 09 Mar 2022.
International Plant Names Index. 2022. Juncus saximontanus. Published online. Accessed: Mar 09 2022.
Juncus saximontanus – Taxon details on Integrated Taxonomic Information System (ITIS).

Vernacular names
العربية: أسل جبال روكي
English: Rocky Mountain rush

Juncus saximontanus is a species of rush known by the common name Rocky Mountain rush. It is native to much of western North America from Alaska to central Mexico, where it grows in wet habitat, often in mountainous areas, such as bogs and moist meadows.

This is a rhizomatous perennial herb producing a clump of stems up to about 60 centimeters tall. The inflorescence is made up of several oval or spherical heads containing up to 25 flowers each. The flower has narrow, pointed brown segments not more than about 3 millimeters long. This rush is sometimes treated as a variety of Juncus ensifolius.[1]

Flora of North America

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