Pinus monophylla

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The status, affinity, scope or nomenclature of this taxon is disputed.

Please see discussion on the talk page.

Pinus monophylla subsp. monophylla tree, Maverick Canyon, Nevada, USA
Pinus monophylla subsp. monophylla strobilus, Swall Meadows, Mono County, California, USA
The IUCN Red List of Threatened Species. Pinus monophylla is listed as Least Concern.


Taxonavigation: Pinales 

Superregnum: Eukaryota
Regnum: Plantae
Divisio: Tracheophyta
Divisio: Pinophyta
Classis: Pinopsida
Ordo: Pinales

Familia: Pinaceae
Genus: Pinus
Subgenus: P. subg. Strobus
Sectio: P. sect. Parrya
Subsectio: P. subsect. Cembroides
Species: P. monophylla
Subspecies: P. m. subsp. fallax – P. m. subsp. monophylla



Pinus monophylla Torr. & Frém., in J.C.Frémont, Rep. Exped. Rocky Mts.: 319 (1845).


  • Homotypic
    • Caryopitys monophylla (Torr. & Frém.) Rydb., Bull. Torrey Bot. Club 32: 597 (1905).
    • Pinus cembroides var. monophylla (Torr. & Frém.) Voss, Mitt. Deutsch. Dendrol. Ges. 16: 95 (1907 publ. 1908).
    • Pinus cembroides subsp. monophylla (Torr. & Frém.) A.E.Murray, Kalmia 12: 22 (1982).
    • Pinus edulis var. monophylla (Torr. & Frém.) Torr. in J.C.Ives, Rep. Colorado R.: 28 (1860).
    • Pinus fremontiana Endl., Syn. Conif.: 183 (1847), nom. superfl.
  • Heterotypic
    • Pinus californiarum subsp. fallax (Little) D.K.Bailey, Notes Roy. Bot. Gard. Edinburgh 44: 279 (1987).
    • Pinus edulis var. fallax Little, Phytologia 17: 331 (1968).
    • Pinus fallax (Little) Businský, Acta Pruhon. 88: 11 (2008) nom. illeg. hom., non Saporta (1865), fossil name.
    • Pinus monophylla var. fallax (Little) Silba, Phytologia 68: 54 (1990).
    • Pinus monophylla subsp. fallax (Little) Silba, J. Int. Conifer Preserv. Soc. 16: 27 (2009).

Taxonomic notes


Montes et al. (2019 & 2022) suggest that P. californiarum should be treated as a separate species from P. monophylla and support recognizing P. fallax as a species rather than as an infraspecific taxon of P. monophylla or P. edulis. However, both species names are problematic under ICN. Govaerts et al. (2023) and Farjon (2010) do not recognise the subspecies.


Native distribution areas:
  • Northern America
    • Northwestern U.S.A.
      • Colorado, Idaho.
    • Southwestern U.S.A.
      • Arizona, California, Nevada, Utah.
    • Mexico
      • Mexico Northwest.

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



Primary references

  • J. C. Frémont, Report of the exploring expedition to the Rocky Mountains in the year 1842, and to Oregon and North California: 319, t.4], 1843 ("monophyllus", orth. err.).

Additional references


Vernacular names

العربية: صنوبر أحادي الورق
Deutsch: Einblättrige Kiefer
English: Single-leaf Pinyon
español: Pino monoaguja
eesti: Üheokkaline mänd
français: Pin à une feuille
magyar: Egylevelű fenyő
italiano: Pino ad ago singolo
polski: Sosna jednoigielna
українська: Сосна однохвойна
Wikimedia Commons For more multimedia, look at Pinus monophylla on Wikimedia Commons.