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*Hydrilla L.C. Richard. Hydrilla.

Key to Hydrilla

A monotypic genus (but the single species with 4-5 subspecies, arguably better treated as species), aquatic herbs, native to the Old World.

Ref: Cook In Kubitzki (1998b); Haynes (2000c) In Flora of North America Editorial Committee (2000); Tippery (2023). Show full citations.

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Hover over a shape, letter, icon, or arrow on the map for definition or see the legend. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.

image of plant© Keith Bradley | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷

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