Peyritschia

Peyritschia
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Poaceae
Subfamily:	Pooideae
Supertribe:	Poodae
Tribe:	Poeae
Subtribe:	Aveninae
Genus:	Peyritschia E.Fourn.
Type species
Peyritschia koelerioides (Peyr.) E.Fourn.

Peyritschia is a genus of Latin American plants in the grass family. ^{[1] [2] [3]}

Species

31 species are accepted. ^[4]

• Peyritschia angusta (Swallen) P.M.Peterson, Soreng, Romasch. & Barberá – Guatemala and southeastern Mexico
• Peyritschia bealii P.M.Peterson, Soreng, Romasch. & Barberá – eastern and southwestern Mexico
• Peyritschia coahuilensis (P.M.Peterson, Soreng & Valdés-Reyna) P.M.Peterson, Soreng, Romasch. & Barberá – northeastern Mexico
• Peyritschia conferta (Pilg.) Finot – Venezuela and Ecuador
• Peyritschia curviseta (Morden & Valdés-Reyna) P.M.Peterson, Soreng, Romasch. & Barberá – northeastern Mexico (Nuevo León)
• Peyritschia deyeuxioides (Kunth) Finot – Mexico, Central America, Colombia, Venezuela, Ecuador, and Peru
• Peyritschia durangensis (Finot & P.M.Peterson) P.M.Peterson, Soreng, Romasch. & Barberá – northern Mexico (Durango)
• Peyritschia erectifolia (Hitchc.) P.M.Peterson, Soreng, Romasch. & Barberá – central and southwestern Mexico
• Peyritschia eriantha (Kunth) P.M.Peterson, Soreng, Romasch. & Barberá – central Mexico
• Peyritschia filifolia (Scribn. ex Beal) P.M.Peterson, Soreng, Romasch. & Barberá – northeastern Mexico
• Peyritschia foliosa (Swallen) P.M.Peterson, Soreng, Romasch. & Barberá – northwestern Mexico
• Peyritschia graphephoroides P.M.Peterson, Soreng, Romasch. & Barberá – Guatemala and southern Mexico, Costa Rica and Panama
• Peyritschia howellii (Hitchc.) Finot & P.M.Peterson – Galápagos
• Peyritschia humilis (Louis-Marie) Finot – central Mexico
• Peyritschia irazuensis (Kuntze) P.M.Peterson, Soreng, Romasch. & Barberá – Mexico, Central America, Colombia, Venezuela, and Ecuador
• Peyritschia killipii (Swallen) P.M.Peterson, Soreng, Romasch. & Barberá – Colombia
• Peyritschia koelerioides (Peyr.) E.Fourn. - Mexico and Guatemala
• Peyritschia martha-gonzaleziae (P.M.Peterson & Finot) P.M.Peterson, Soreng, Romasch. & Barberá – northern Mexico (Chihuahua and Durango)
• Peyritschia orizabae (Rupr. ex E.Fourn.) P.M.Peterson, Soreng, Romasch. & Barberá – south-central Mexico (Veracruz to Oaxaca)
• Peyritschia palmeri (Hitchc.) P.M.Peterson, Soreng, Romasch. & Barberá – northern and western Mexico
• Peyritschia pinetorum (Swallen) Finot & P.M.Peterson – southeastern Mexico and Guatemala
• Peyritschia planifolia (Kunth) P.M.Peterson, Soreng, Romasch. & Barberá – Costa Rica and western South America from Venezuela to Bolivia
• Peyritschia pringlei (Scribn.) S.D.Koch – Mexico, Guatemala, Costa Rica, Venezuela, Ecuador, and Peru
• Peyritschia spellenbergii (Soreng, Finot & P.M.Peterson) P.M.Peterson, Soreng, Romasch. & Barberá – northern Mexico (Sonora and Chihuahua)
• Peyritschia tolucensis (Kunth) P.M.Peterson, Soreng, Romasch. & Barberá – Guatemala and central and southern Mexico
• Peyritschia tonduzii (Hitchc.) P.M.Peterson, Soreng, Romasch. & Barberá – Costa Rica and Panama
• Peyritschia valida (Sohns) P.M.Peterson, Soreng, Romasch. & Barberá – western Mexico
• Peyritschia viridis (Kunth) P.M.Peterson, Soreng, Romasch. & Barberá – Guatemala and northeastern, central, and southwestern Mexico
• Peyritschia virletii (E.Fourn.) P.M.Peterson, Soreng, Romasch. & Barberá – Mexico
• Peyritschia vulcanica (Swallen) P.M.Peterson, Soreng, Romasch. & Barberá – Guatemala and southeastern Mexico

References

1. Fournier, Eugène Pierre Nicolas. 1886. Mexicanas plantas nuper a collectoribus expeditionis scientificae allatas :aut longis ab annis in herbario musei parisiensis depositas 2: 109-110 in Latin
2. Finot Saldías, V. L., P. M. Peterson, R. J. Soreng & F. O. Zuloaga. 2004. A revision of Trisetum, Peyritschia, and Sphenopholis (Poaceae: Pooideae: Aveninae) in Mexico and Central America. Annals of Missouri Botanical Garden 91(1): 1–30
3. Finot Saldías, V. L., P. M. Peterson & F. O. Zuloaga. 2006. Two new combinations in Peyritschia (Poaceae: Pooideae: Aveninae). Sida 22(2): 895–903
4. "Peyritschia E.Fourn". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 4 June 2025.