Alternanthera philoxeroides

Alternanthera philoxeroides, commonly known as alligator weed, is an emergent aquatic plant. It originated in Argentina in 1897, but has spread to many parts of the world and is considered an invasive species in Australia, China, New Zealand, Sri Lanka, Thailand, and the United States. The alligator weed's primary mode of transport is believed to be through ballast tanks on the side of traveling ships.

Alternanthera philoxeroides

Alternanthera philoxeroides, commonly known as alligator weed, is an emergent aquatic plant. It originated in Argentina in 1897, but has spread to many parts of the world and is considered an invasive species in Australia, China, New Zealand, Sri Lanka, Thailand, and the United States. The alligator weed's primary mode of transport is believed to be through ballast tanks on the side of traveling ships.