2 Free Photos of Myriophyllum Heterophyllum

Myriophyllum heterophyllum NRCS-2
photographs by robert h. mohlenbrockmyriophyllum heterophyllum
Image from page 450 of An illustrated guide to the flowering plants of the middle Atlantic and New England states (excepting the grasses and sedges) the descriptive text written in familiar language (1910)
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