Platanthera integrilabia (White Fringeless Orchid) has a relatively broad but sporadic distribution across the mountainous region of the southeastern United States. Prior to this project, extant occurrences in Alabama were only documented from 9 sites, although there appears to be a large amount of suitable habitat across north Alabama. We created habitat-suitability models and selected a total of 71 medium- and high-suitability sites for surveying. We identified 3 new occurrences of this orchid. We then added these 3 occurrences and 4 additional occurrences that were part of a separate survey effort to the presence locations for creating a post-survey model. This post-survey model performed best overall and may be useful for guiding future White Fringeless Orchid surveys.
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23 February 2022
Habitat Suitability Modeling and Site Verification for the White Fringeless Orchid (Platanthera integrilabia) in Alabama
Katelyn M. Lawson,
Marc A. K. Johnson,
Alfred Schotz
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Southeastern Naturalist
Vol. 21 • No. 1
March 2022
Vol. 21 • No. 1
March 2022