Pentagramma triangularis subsp. semipallida

Pentagramma triangularis subsp. semipallida

Taxonavigation

Taxonavigation: Polypodiales
Superregnum: Eukaryota Regnum: Plantae Divisio: Tracheophyta Divisio: Pteridophyta Classis: Polypodiopsida Ordo: Polypodiales

Familia: Pteridaceae
Subfamilia: Cheilanthoideae
Genus: Pentagramma
Species: Pentagramma triangularis
Subspecies: Pentagramma triangularis subsp. semipallida

Name

Pentagramma triangularis subsp. semipallida (a|J.T.Howell) Yatsk., Windham & E.Wollenw., Amer. Fern J. 80: 16 (1990).

Synonyms

• Basionym
  • Pityrogramma triangularis var. semipallida J.T.Howell, Leafl. W. Bot. 9: 223 (1962).
    • Type: U.S.A.: California, Butte County, on metamorphic rocks in canyon of North Fork Feather aii 9 mi NE of Oroville, 20 Sep 1959, Howell 34696 (Holotype: CAS; isotypes: G, US).
• Heterotypic
  • Pityrogramma triangularis var. viridis Hoover, Amer. Fern J. 56: 19 (1966).

Distribution

Native distribution areas:
Continental: Northern America Regional: Southwestern U.S.A. California. References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Primary references

• Yatskievych, G.A., Windham, M.D. & Wollenweber, E. 1990. A Reconsideration of the Genus Pityrogramma (Adiantaceae) in Western North America. American Fern Journal 80(1): 9–17. JSTOR ResearchGate BHL Reference page. 

Links

• Govaerts, R. et al. 2023. Pentagramma triangularis subsp. semipallida in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2023 Jul 9. Reference page. 
• Tropicos.org 2023. Pentagramma triangularis subsp. semipallida. Missouri Botanical Garden. Published online. Accessed: 9 Jul 2023.
• International Plant Names Index. 2023. Pentagramma triangularis subsp. semipallida. Published online. Accessed: 9 Jul 2023.
• Hassler, M. 2023. World Ferns. Checklist of Ferns and Lycophytes of the World. . Pentagramma triangularis subsp. semipallida Accessed: 9 Jul 2023.
• USDA, ARS, Germplasm Resources Information Network. Pentagramma triangularis subsp. semipallida in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.

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