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Ludwigia palustris (L.) Elliott  
Go To Encyclopedia of Life...
Family: Onagraceae
Marsh Primrose-Willow, more...marsh seedbox
[Isnardia palustris L., non Jussiaea palustris G.F.W. Mey., moreLudwigia palustris var. americana (DC.) Fern. & Grisc., Ludwigia palustris var. nana Fern. & Grisc., Ludwigia palustris var. pacifica Fern. & Grisc.]
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Paul Rothrock  
  • Gleason & Cronquist
  • SW Field Guide
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Vascular plants of NE US and adjacent Canada
Stems flaccid, prostrate and creeping, or partly floating; lvs 0.5-3 cm, lanceolate to ovate, abruptly narrowed to a petiole about as long; fls minute, sessile, 4-merous, apetalous; fr oblong-obovoid, 3-4 mm, roundly 4-sided, the wall much thickened and corky below each sep, very thin below each sinus and revealing the outline of the seeds when dry; bracteoles minute or wanting; 2n=16. Creeping on mud and partly floating in shallow water; widespread in the n. hemisphere, and throughout our range.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Duration: Perennial Nativity: Native Lifeform: Forb/Herb
From Flora of Indiana (1940) by Charles C. Deam
Frequent to common throughout the state, mostly in beds of ditches and small streams and on the muddy borders of ponds, swamps, sloughs, lakes, and streams. Sometimes in mucky soil in marshes.

.……

Indiana Coefficient of Conservatism: C = 3

Wetland Indicator Status: OBL

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Ludwigia palustris
Open Interactive Map
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Paul Rothrock  
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Paul Rothrock  
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John Hilty  
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Robert H. Mohlenbrock  
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John Hilty  
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Britton, N.L., and A. Brown. 1913.  
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The National Science Foundation
Developments of SEINet, Symbiota, and associated specimen databases have been supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)