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Alternanthera philoxeroides
alligator weed Atriplex/Chenopodium
Alternanthera philoxeroides Amaranthaceae
--more--
common names
  alligator weed
  alligatorweed
  pig weed
accepted scientific name
  Alternanthera philoxeroides (Mart.) Griseb.
rules for finding collection records
  Alternanthera philoxeroides (738)
family name
  Amaranthaceae
Image Author: ©2010 Jerry Oldenettel
Image License: CC BY-NC-SA
Image Source
Category: Wildflowers, Aquatic Plants
Flowers: Five petals
Petal colors: color
Leaf: Opposite
Plant Observed beginning of March thru 3rd week of November
Invasive in AL, AZ, CA, FL, SC, TX

How Likely at this Location (24%)
Name Match (100%)
Plant Showiness (36%)
base map where plant found
mag select

Riparian
Wetland
Aquatic
Disturbed
Forest
grid lines base