Pondweed

Pondweed refers to many species and genera of aquatic plants and green algae:

• Potamogeton, a diverse and worldwide genus
• Elodea, found in North America
• Aponogeton, in Africa, Asia and Australasia
• Groenlandia, a genus of aquatic plants
• Stuckenia, a genus of aquatic plants
• Charales, an order of green algae

1. Stuckenia vaginata
2. Shining pondweed
3. Potamogeton crispus
4. American pondweed
5. Broad-leaved pondweed
6. Small pondweed
7. Groenlandia
8. Potamogeton illinoensis
9. Potamogeton pusillus
10. Potamogeton natans
11. Potamogeton compressus
12. Potamogeton alpinus
13. Stuckenia pectinata
14. Zannichellia palustris subsp. major
15. Potamogeton confervoides
16. Potamogeton polygonifolius
17. Elodea canadensis
18. Potamogeton perfoliatus
19. Zannichellia palustris
20. Potamogeton hillii