References

For Callitriche

Angiosperm Phylogeny Group IV. 2016. An update of the Angiosperm Phylogeny Group classification of the orders and families of flowering plants: APG IV. Bot. J. Linn. Soc. 2016. Google Scholar

Crow, G.E., and C.B. Hellquist. 2023. Aquatic and wetland plants of northeastern United States, second edition. Univ. of Wisc. Press, Madison, WI, USA. Google Scholar

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Fassett, N.C. 1951. Callitriche in the New World. Rhodora 53: 137-155, 161-182, 185-194, 209-222. Google Scholar

Lansdown, R.V. 2009. Nomenclatural notes on Callitriche (Callitrichaceae) in North America. Novon 19: 364-369. Google Scholar

Lansdown, R.V. 2019. Callitriche. In Flora of North America Editorial Committee. 2019. Flora of North America north of Mexico. Volume 17, Magnoliophyta: Tetrachondraceae to Orobanchaceae. Oxford Univ. Press, New York, NY. 737 pp. Google Scholar

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