Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Alismatales
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Aquatic weeds can clog irrigation channels and cover lakes, threatening crops and wildlife. Read more -- Outlawed! Federal Noxious Weeds: The Aquatics.
As a submersed, long-stemmed plant having many small narrow leaves, Lagarosiphon major might be confused with 3 other plants in the US. It is believed that this plant was in New Zealand for some time before it was recognized as a plant distinct from Elodea canadensis. Read more from the Center for Aquatic & Invasive Plants.
African Elodea, oxygen-weed, South African oxygen weed
No pictures are available at this time.
Submersed aquatic (rooted); Forb
Non-native: southern Africa
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
This plant is causing problems in natural areas outside its native range, according to authorities such as:
- SC Department of Natural Resources Aquatic Nuisance Species List, 2003
- SC List of Regulated Pest Plant Species, 2017
- USDA Federal Noxious Weeds, 091820
Alternate, spirally arranged
Margins minutely toothed
Transparent to white or pinkish
Flowers form in leaf axils, then rise to the surface where they sail about
TO LEARN MORE about this plant, look it up in a good book!
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".