Lesser Pondweed (Potamogeton pusillus L.)

small pondweed (Potamogeton pusillus subsp. pusillus L.)

Potamogeton pusillus L.

Potamogeton pusillus ssp. tenuissimus

Potamogeton berchtoldii × Potamogeton pusillus

Potamogeton foliosus × Potamogeton pusillus

Potamogeton pusillus ssp. pusillus

Potamogeton pusillus × Potamogeton trichoides

Potamogeton pusillus × Potamogeton foliosus

Potamogeton pusillus ssp. pusillus

Potamogeton pusillus × Potamogeton trichoides

Potamogeton pusillus subsp. pusillus

Potamogeton pusillus × Potamogeton oxyphyllus

Potamogeton pusillus × Potamogeton berchtoldii

Potamogeton friesii × Potamogeton pusillus

small pondweed (Potamogeton pusillus L. ssp. pusillus)

small pondweed (Potamogeton berchtoldii ssp. gemmiparus (J. W. Robbins) Les & Tippery)

Greenland pondweed (Potamogeton berchtoldii ssp. berchtoldii)

small pondweed (Potamogeton pusillus L. ssp. gemmiparus (J. W. Robbins) Haynes & C. B. Hellquist)

Potamogeton mucronulatus (G. Fisch.) Papch.

small pondweed (Potamogeton pusillus L. ssp. tenuissimus (Mert. & W. D. J. Koch) Haynes & C. B. Hellquist)

Greenland pondweed (Potamogeton groenlandicus Hagstr.)

Small Pondweed (Potamogeton berchtoldii Fieber)

narrowleaf pondweed (Potamogeton strictifolius A. Benn.)

Flat-stalked Pondweed (Potamogeton friesii Rupr.)

Hairlike Pondweed (Potamogeton trichoides Cham. & Schltdl.)

sago pondweed (Stuckenia pectinata (L.) Börner)

pondweed (Potamogeton)