Includes species listed as a Federal Noxious Weed under the Plant Protection Act, which makes it illegal in the U.S. to import or transport between States without a permit.
Southern Africa (McGregor and Gourlay 2002)
Spread throughout the world as an aquarium plant (National Heritage Trust 2003)
Not currently established
Google. YouTube; RTÉ Ireland. Eco Eye.
This beautiful episode opens on Lough Corrib at sunrise. Anja sees first-hand the devastating and costly impacts of a new arrival to an existing ecosystem, Lagarosiphon Major a pond weed has taken hold in the waterbody. Part 1 of 4
The section below contains highly relevant resources for this species, organized by source. Or, to display all related content view all resources for Oxygen Weed.
University of Florida. IFAS. Center for Aquatic and Invasive Plants.
Csurhes, S. and R. Edwards. 1998. Potential Environmental Weeds in Australia: Candidate Species for Preventative Control (PDF | 1.3 MB). Environment Australia.
Integrated Taxonomic Information System. Lagarosiphon major. [Accessed Mar 5, 2015].
McGregor, P.G. and H. Gourlay. 2002. Assessing the Prospects for Biological Control of Lagarosiphon (Lagarosiphon major (Hydrocharitaceae)) (PDF | 109 KB). Wellington, N.Z.: Department of Conservation. DOC Science Internal Series 57.
National Heritage Trust. 2003. Lagarosiphon (Lagarosiphon major) Weed Management Guide. Department of the Environment and Heritage and the CRC for Australian Weed Management.