Guardiola (plant) explained

Guardiola is a genus of plants in the family Asteraceae, native to Mexico and the southwestern United States.^{[1] [2]} Members of the genus are subshrubs with simple, opposite leaves and terminal inflorescences.^[3]

Originally placed in the subtribe Melampodiinae,^[4] the genus was placed in its own subtribe, Guardiolinae, by Harold Robinson in 1978.

Species^{[5] [6]}

• Guardiola angustifolia (A.Gray ex A.Gray) B.L.Rob. - Jalisco
• Guardiola arguta B.L.Rob. - Sonora
• Guardiola carinata B.L.Rob. - Nayarit
• †Guardiola diehlii M.E.Jones - New Mexico but probably extinct^[7]
• Guardiola mexicana Humb. & Bonpl. - from Durango to Oaxaca
• Guardiola odontophylla B.L.Rob. - Durango
• Guardiola palmeri B.L.Rob. - Durango
• Guardiola pappifera Paul G.Wilson - Guerrero
• Guardiola platyphylla A.Gray - Arizona (Gila, Pima, Santa Cruz, Cochise Counties),^[8] Sonora, Sinaloa, Chihuahua
• Guardiola rosei B.L.Rob. - Chihuahua, Nayarit, Durango
• Guardiola rotundifolia B.L.Rob. - Jalisco
• Guardiola stenodonta S.F.Blake - Sinaloa
• Guardiola thompsonii P.Van Faasen - Michoacán^[9]
• Guardiola tulocarpus A.Gray - from Sinaloa + Veracruz to Oaxaca

Notes and References

1. https://www.biodiversitylibrary.org/page/279602#page/164/mode/1up Bonpland, Aimé Jacques Alexandre. 1807. Plantes équinoxiales recueillies au Mexique : dans l'île de Cuba, dans les provinces de Caracas, de Cumana et de Barcelone, aux Andes de la Nouvelle Grenade, de Quito et du Pérou, et sur les bords du rio-Negro de Orénoque et de la rivière des Amazones 1(6): 143–146
2. https://www.biodiversitylibrary.org/page/279602#page/164/mode/1up Bonpland, Aimé Jacques Alexandre. 1807. Plantes équinoxiales recueillies au Mexique : dans l'île de Cuba, dans les provinces de Caracas, de Cumana et de Barcelone, aux Andes de la Nouvelle Grenade, de Quito et du Pérou, et sur les bords du rio-Negro de Orénoque et de la rivière des Amazones 1(6): plate 41
3. Web site: Guardiola. 2009-02-24. Strother . John L. . Flora of North America. eFloras.org.
4. Robinson. B.L.. 1899. Revision of the Genus Guardiola . Bulletin of the Torrey Botanical Club. 26. 5. 232–235 . 10.2307/2477748. 2477748.
5. Web site: Flann, C (ed) 2009+ Global Compositae Checklist . 2014-12-01 . https://archive.today/20141201144424/http://dixon.iplantcollaborative.org/CompositaeWeb/Default.aspx?Page=NameSearch&searchText=Guardiola . 2014-12-01 . dead .
6. CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, México D.F.
7. https://www.biodiversitylibrary.org/page/10608808#page/49/mode/1up Jones, Marcus Eugene. 1908. Contributions to Western Botany 12: 48
8. http://bonap.net/MapGallery/County/Guardiola%20platyphylla.png Biota of North America Program, 2013 county distribution map
9. A New Species of Guardiola Humb. & Bonpl. (Compositae-Heliantheae) . 3670320 . 10.2307/3670320 . Van Faasen . Paul . The Southwestern Naturalist . 1976 . 21 . 1 . 27–29 .