I have, therefore, been extremely glad to receive the seeds of Heteranthera reniformis.    From Wordnik.com.  [More Letters of Charles Darwin — Volume 2] Reference

A case of this sort in Heeria, a Melastomad, was described by Muller ( "Nature," August 4th, 1881, page 308), and the view was applied to the cases of Lagerstroemia and Heteranthera at.    From Wordnik.com.  [More Letters of Charles Darwin — Volume 2] Reference

Heteranthera, two kinds of stamens.    From Wordnik.com.  [More Letters of Charles Darwin — Volume 2] Reference

Equisetum ramosissimum, Heteranthera alismoides, Glycine punctata, Hyptis.    From Wordnik.com.  [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1] Reference

Equisetum ramosissimum, Heteranthera alismoides, Glycine punctata, Hyptis Plumeri.    From Wordnik.com.  [Travels to the Equinoctial Regions of America] Reference