Callitriche heterophylla Pursh

Native to:

Alabama, Alaska, Alberta, Aleutian Is., Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Bolivia, British Columbia, California, Chile Central, Chile South, Colorado, Connecticut, Costa Rica, Delaware, District of Columbia, Dominican Republic, Ecuador, Florida, Georgia, Greenland, Guatemala, Idaho, Illinois, Indiana, Iowa, Kamchatka, Kansas, Kentucky, Kuril Is., Labrador, Louisiana, Maine, Manitoba, Maryland, Massachusetts, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Minnesota, Mississippi, Missouri, Montana, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, Newfoundland, North Carolina, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Québec, Rhode I., South Carolina, Tennessee, Texas, Uruguay, Venezuela, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, Yukon

Introduced into:

Chatham Is., New Zealand North

POWO follows these authorities in accepting this name:

• (2021). https://doi.org/10.11646/phytotaxa.501.1.3. epublication.
• (2022). https://doi.org/10.11646/phytotaxa.547.3.3. epublication.
• Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192.
• Ackerfield, J. (2015). Flora of Colorado: 1-818. BRIT Press.
• Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico.
• Arbo, M.M. & al. (2018). Flora Argentina. Flora vascular de la República Argentina 20(1): 1-488. INTA, IMBIV & IBODA.
• Douglas, G.W., Meidinger, D. & Penny, J.L. (2002). Rare Native Vascular Plants of British Columbia, ed. 2: 1-358. Province of British Columbia.
• Garcia-Mendoza, A.J. & Meave, J.A. (eds.) (2012). Diversidad florística de Oaxaca: de musgos a angiospermas (colecciones y listas de especies), ed. 2: 1-351. Instituto de Biología, Universidad Nacional Autónoma de México.
• Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
• Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
• Hellquist, C.E., Hellquist, C.B. & Whipple, J.J. (2014). New records for rare and under-collected aquatic vascular plants of Yellowstone National Park. Madroño 61: 159-176.
• Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
• Knapp, W.M. & Naczi, R.F.C. (2021). Vascular plants of Maryland, USA. A comprehensive account of the state's botanical diversity. Smithsonian Contributions to Botany 113: 1-151.
• Larson, J., Reif, B., Nelson, B.E. & Hartman, R.L. (2014). Floristic studies in North Central New Mexico, U.S.A. the Sange de Cristo mountains. Journal of the Botanical Research Institute of Texas 8: 271-303.
• Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.
• Villaseñor, J.L. (2016). Checklist of the native vascular plants of Mexico. Revista Mexicana de Biodiversidad 87: 559-902.
• Webb, C.J., Sykes, W.R & Garnock-Jones, P.J. (1988). Flora of New Zealand 4: 1-1365. R.E.Owen, Government Printer, Wellington.
• Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur. Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348. Missouri Botanical Garden.

Publications used to compile the distribution and map:

• (2021). https://doi.org/10.11646/phytotaxa.501.1.3. epublication.
• (2022). https://doi.org/10.11646/phytotaxa.547.3.3. epublication.
• Ackerfield, J. (2015). Flora of Colorado: 1-818. BRIT Press.
• Chadde, S.W. (2019). Minnesota Flora. An illustrated guide to the vascular plants of Minnesota ed. 2: 1-776. Steve W. Chadde.
• Hammel, B.E., Grayum, M.H., Herrera, C. & Zamora, N. (eds.) (2020). Manual de Plantas de Costa Rica 4(2): 1-524. Missouri Botanical Garden Press, St. Louis.
• Hellquist, C.E., Hellquist, C.B. & Whipple, J.J. (2014). New records for rare and under-collected aquatic vascular plants of Yellowstone National Park. Madroño 61: 159-176.
• Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
• Larson, J., Reif, B., Nelson, B.E. & Hartman, R.L. (2014). Floristic studies in North Central New Mexico, U.S.A. the Sange de Cristo mountains. Journal of the Botanical Research Institute of Texas 8: 271-303.
• Meades, S.J. & Brouillet, L. (2019). Annotated Checklist of the Vascular Plants of Newfoundland and Labrador https://newfoundland-labradorflora.ca/checklist/.
• Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.
• Villaseñor, J.L. (2016). Checklist of the native vascular plants of Mexico. Revista Mexicana de Biodiversidad 87: 559-902.
• Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur. Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348. Missouri Botanical Garden.