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Obligate Wetland Plants

There are two categories of wetland plants. Obligate wetland plants are found in wetlands 99% of the time.  Facultative wetland plants are found in wetlands 67-99% of the time.  Plants that are found on drier sites are sometimes called Upland plants.

Arrow Tearthumb
Polygonum sagittatum

Bald Cypress
Taxodium distichum

Typha latifolia

Common Arrow
Sagittaria latifolia

Common Smartweed
Polygonum hydropiper

Fringed Gentian
Gentiana crinita

Myosotis scorpioides

Nodding Bur-Marigold
Bidens cernua

Potamogeton sp.


Rice-cut Grass
Leersia oryzoides

Skunk Cabbage
Symplocarpus foetidus

             Soft Rush
Juncus effusus

Swamp Saxifrage 
Saxifraga pensylvaica

Chelone glabra

Water Hemlock
Cicuta maculata

Water Horehound
Lycopus americanus

Water Plantain 
Alisma subcordatum

Water Purslane
Ludwigia palustris

Water Target
Brasenia schreberi


This page was created by: N. Smith, K. Rice, and C. Westring
Last updated 03/28/06