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- Callitriche heterophylla (category Callitriche)austinii (Engelmann) Hegelmaier C. heterophylla subsp. bolanderi (Hegelmaier) Calder & Roy L. Taylor C. heterophylla var. bolanderi (Hegelmaier) Fassett4 KB (390 words) - 19:30, 5 November 2020