USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

Northeast Wetland Flora

Key to Groups of Wetland Plants in Northeast

1. Ferns or related plants, reroducing by spores, not seeds Group 1
1. Plants reproducing by flowers and seeds Go To 2
2. Plants woody, either trees or shrubs Group 5
2. Plants herbaceous, stems not woody Go To 3
3. Monocots; leaves usually with parallel veins; petals and sepals, if present, usually in 3's or multiples of 3's Go To 4
3. Dicots; leaves usually with net veins; petals and sepals usually in 2's, 4's or 5's or multiples of 4's or 5's Go To 6
4. Flowers without sepals and petals; each flower subtended by one or more scales and borne in spikelets Go To 5
4. Flowers with sepals and petals (green or brown or black in Juncus), the flowers not arranged in spikelets Group 4
5. At least one or more scales at the base of each spikelet not subtending a flower; stems never triangular Group 2
5. All the scales of a spikelet subtending a flower; stems usually triangular Group 3
6. At least some of the leaves compound; that is, divided into distinct leaflets Group 6
6. None of the leaves compound, although they may be deeply divided Go To 7
7. Most or all the leaves opposite or whorled Group 7
7. Most or all the leaves alternate and/or basal Group 8

Previous Section -- Alphabetical List of Species in This Guide
Return to Contents

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 06:12:21 EST
Sioux Falls, SD [sdww54]