Strophostyles helvola (L.) Elliott, an annual vine in the legume family (Fabaceae), is a recently documented species for New Hampshire. Five populations have been discovered in the last seven years in Brentwood, Concord, and Nottingham, towns located in the south-central and southeastern part of the state (Merrimack and Rockingham counties). In New England, S. helvola was previously known from Connecticut, Massachusetts, Maine, and Rhode Island (Consortium of Northeastern Herbaria 2019), where it reaches the northeast edge of its range (Kartesz 2015). In these states, it is found mostly on the coastal plain in nutrient-poor, disturbed, sandy soil (Haines 2011; Seymour 1969) and is considered native except in Maine, where its nativity status is undetermined. More broadly, S. helvola is considered native across its entire range in the eastern United States and Canada (...
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Research Article| December 11 2020
Strophostyles helvola (Fabaceae) in New Hampshire
William F. Nichols;
New Hampshire Natural Heritage Bureau, Division of Forests and Lands Department of Natural and Cultural Resources 172 Pembroke Road, Concord, NH 03301
Author for correspondence; email: William.Nichols@dncr.nh.gov
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Scott A. Young;
Janet R. Sullivan;
Rhodora (2020) 122 (990): 106–111.
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William F. Nichols, Celia Abrams, Scott A. Young, Janet R. Sullivan, Pete Bowman; Strophostyles helvola (Fabaceae) in New Hampshire. Rhodora 1 April 2020; 122 (990): 106–111. doi: https://doi.org/10.3119/20-07
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