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Weatherby's Arrowhead (Sagittaria weatherbiana Fernald)

Some older authorities, including USDA PLANTS, lump this taxon in with grassy arrowhead (Sagittaria graminea). Some authorities recognize it as a subspecies of that species, ssp. weatherbiana. We follow POWO's treatment, embraced by most modern authorities, of separating this as its own species.

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Range - Expand

LegendColor
Native
Native or Not Present

This map is based on our research. We have checked its accuracy to Level 3 ecoregions. Although this plant occurs somewhere in each of these regions, it may only occur in a small part of some or all of them.