Nuttall's Waterweed, Western Waterweed: Elodea nuttallii (Synonyms: Anacharis nuttallii) -
Slender Naias, Slender Numph, Wavy Water Nymph: Najas flexilis (Synonyms: Caulinia flexilis, Najas caespitosus) - Collected at Conboy Lake Wildlife Refuge in 1909.