Sphenopholis interrupta californica (Vasey) Scribn. (1906:146)
Taxonomy & Nomenclature
Synonyms: Trisetum californicum Vasey in Bull. Div. Bot. U.S.D.A. 13(2): 5, t. 45 (1892); Trisetum interruptum var. californicum (Vasey) Louis-Marie in Rhodora 30: 240 (1929)
Conservation Status
Last (and only) record: 19 April 1886 (Mulligan, 2020:1; O'Brien et al., 2025:80,197)
Rediscovered on: 23 April 2020 by Margie Mulligan and Jessie Vinje (Mulligan, 2020:2; Villar, 2020)
Distribution & Habitat
Baja California, Mexico & California, USA
Biology & Ecology
Hypodigm
Media
References
Clayton, W. D., Harman, K. T. and Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
Holguin, J., Sims, A. E. and Lazar, K. (2020). Rare plant status review: Sphenopholis interrupta subsp. californica proposed addition to California rare plant rank 1B.1, G1/S1. California Native Plant Service Inventory and California Natural Diversity Database. 20 July 2020.
Lamson-Scribner, F. (1906). The genus Sphenopholis. Rhodora 8(92): 137-146.
Louis-Marie, P. (1928). Trisetum in America (concluded). Rhodora 30(360): 237-245.
Mulligan, Margie. (2020). Rediscovering a Lost Grass in San Diego County. Ecesis 30(3): 1-2.
O'Brien, Bart C., Rebman, Jon P., Delgadillo-Rodríguez, José, Gandhi, Kanchi Natarajan, Junak, Steven A., Oberbauer, Thomas A., Riemann, Hugo and Vanderplank, Sula E. (2025). The Rare, Endangered and Endemic Plants of the California Floristic Province Portion of Baja California, Mexico. Aliso 43(2): 77-217. https://doi.org/10.5642/aliso.YOAJ6071
POWO. (2024). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 12 July 2024]
Villar, Stephania. (16 July, 2020). Rediscovering a “Lost” Plant in San Diego. San Diego Natural History Museum. Available at: https://www.sdnhm.org/blog/blog_details/rediscovering-a-lost-plant-in-san-diego/149/ [Accessed 12 July 2024]