Chelone glabra is a herbaceous plant found in wetlands and riparian forests  of eastern North America with opposite, simple leaves, on stout, upright stems. The flowers are white, borne in late summer and early fall. It can be used as a method of birth control, as used by Abenaki people.
Use as indicator of deer browse in riparian forests
Chelone glabra is a popular browse plant for deer, although certain other plants such as Eurybia divaricata (white wood aster), Symphyotrichum prenanthoides (crooked-stem aster), and Impatiens capensis (orange jewelweed) are even more preferred by deer. In measuring damage to plants as a way of finding out the level of deer browsing, it is more effective to use a collection of deer browse species rather than just one.
- Williams, C (2000). "Use of turtlehead (Chelone glabra L.) and other herbaceous plants to assess intensity of white-tailed deer browsing on Allegheny Plateau riparian forests, USA". Biological Conservation 92 (2): 207. doi:10.1016/S0006-3207(99)00054-3.
- http://voices.yahoo.com/plants-native-state-maine-5787920.html?cat=32. Missing or empty
- "Chelone glabra". PLANTS.
- M. Deane Bowers, Nancy E. Stamp and Sharon K. Collinge (April 1992). "Early Stage of Host Range Expansion by a Specialist Herbivore, Euphydryas Phaeton (Nymphalidae)". Ecology (Ecological Society of America) 73 (2): 526–536. doi:10.2307/1940758. JSTOR 1940758.
- Euphydryas phaeton (Drury, 1773), Butterflies and Moths of North America
- Stamp, N.E.. 1984. Effect of defoliation by checkerspot caterpillars (Euphydryas phaeton) and sawfly larvae (Macrophya nigra and Tenthredo grandis) on their host plants (Chelone spp.). Oecologia 63, 275–280.
- Wilcox, J.A., 1979. Leaf beetle host plants in northeastern North America. World Natural History Publications, Kinderhook, NY.
- Blanchan, Neltje (2005). Wild Flowers Worth Knowing. Project Gutenberg Literary Archive Foundation. ISBN 0-665-98934-2.
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