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Alternanthera philoxeroides
alligator weed Atriplex/Chenopodium
Alternanthera philoxeroides Amaranthaceae
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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

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

Riparian
Wetland
Aquatic
Disturbed
Forest
Native Plant Status
native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map
native Not Native
native Not Present

Invasive in some regions.
grid lines base