pondweed

pond +‎ weed

pondweed (countable and uncountable, plural pondweeds)

1. Any of several plants that grow in ponds or similar aquatic conditions:
   • (Can we date this quote?) — greenfingers.com article

     If you have to clear out any pondweed, make sure you leave it by the water’s edge before composting it so that any wildlife can crawl back into the pond.

   1. (most commonly) Potamogeton, a diverse and worldwide genus
   2. Elodea, found in North America
   3. Aponogeton, in Africa, Asia and Australasia
   4. opposite-leaved pondweed, Groenlandia densa, only plant of its genus, found chiefly in the Mediterranean region.
2. Charales, an order of green algae

• broad-leaved pondweed (Potamogeton natans)
• Cape pondweed (Aponogeton distachyos)
• Canadian pondweed (Elodea canadensis)
• choke pondweed (Elodea canadensis)
• curled pondweed (Potamogeton crispus)
• curly-leaf pondweed (Potamogeton crispus)
• curly pondweed (Potamogeton crispus)
• fennel pondweed (Stuckenia pectinata)
• horned pondweed (Zannichellia palustris)
• loddon pondweed (Potamogeton americanus, Potamogeton nodosus)
• long-stalked pondweed (Potamogeton praelongus)
• perfoliate pondweed (Potamogeton perfoliatus)
• sago pondweed (Stuckenia pectinata)
• white-stem pondweed (Potamogeton praelongus)

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