Potamogeton berchtoldii clystocarpus (Fernald) Les & Tippery (2009:650)
Little Aguja pondweed, Little Aguja creek pondweed, Davis Mountain pondweed
Taxonomy & Nomenclature
Synonym/s: Potamogeton clystocarpus Fernald in Mem. Amer. Acad. Arts, n.s., 17: 79 (1932)
Conservation Status
Missing (NatureServe, 2023)
Last record: 1989
Distribution
a single stream in Little Aguja Canyon, West Texas, Texas, USA
Biology & Ecology
Hypodigm
Media
References
Correll, D. S. and Correll, H. B. (1975). Aquatic and wetland plants of the southwestern United States. 2 vols. Stanford Univ. Press, Stanford, California. 1777 pp.
Correll, D. S. and Johnston, M. C. (1970). Manual of the vascular plants of Texas. Texas Research Foundation, Renner. 1881 pp.
Fernald, M. L. (1932). The linear-leaved North American species of Potamogeton section Axillares. Memoirs Gray Herb. 3: 79.
Flora of North America Editorial Committee. (2000). Flora of North America north of Mexico. Vol. 22. Magnoliophyta: Alismatidae, Arecidae, Commelinidae (in part), and Zingiberidae. Oxford Univ. Press, New York. xxiii + 352 pp.
Haynes, R. R. (1974). A revision of North American Potamogeton subsection Pusilli (Potamogetonaceae). Rhodora 76: 564-567; 587; 592-593: 624-626.
Kartesz, J. T. (1994). A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Kennedy, K. (1994). Little Aguja pondweed (Potamogeton clystocarpus) recovery plan. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 78 pp.
NatureServe. (2023). Potamogeton clystocarpus: Little Aguja Pondweed. NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer [web application]. NatureServe, Arlington, Virginia. Available https://explorer.natureserve.org/ [Accessed 19 November 2023]
Rowell, C. M., Jr. (1983). Status report on Potamogeton clystocarpus. Report to U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
Suckling, Kieran, Slack, Rhiwena and Nowicki, Brian. (2004). Extinct and the Endangered Species Act. Centre For Biological Diversity. 63 pp.
USFWS. (1994a). 90-day finding for a petition to delist the plant Potamogeton clystocarpus (Little Aguja pondweed). United States Fish and Wildlife Service, December 29, 1994.
USFWS. (1994b). Little Aguja Pondweed (Potamogeton clystrocarpus) Recovery Plan. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 78 pp.
Whittall, Justen B., Hellquist, C. Barre and Schneider, Edward L. (2002). Monitoring the Little Aguja Pondweed (Potamogeton clystocarpus): Distribution, Morphology and Taxonomic Status in a Diverse Pondweed Community, pp. 31-36. In: Clary, K., Delmatier, C., Oxley, F. and Poole, J. (eds.). Proceedings of the Texas Plant Conservation Conference.
Whittall, Justen B., Hellquist, C. Barre, Schneider, Edward L. and Hodges, Scott A. (2004). Cryptic species in an endangered pondweed community (Potamogeton, Potamogetonaceae) revealed by AFLP markers. American Journal of Botany 91(12): 2022-2029. https://doi.org/10.3732/ajb.91.12.2022