RT Journal Article SR Electronic T1 Biology, Ecology, and Conservation of Navasota ladies’ tresses (Spiranthes parksii Correll) JF Native Plants Journal JO NATIVE PLANTS JOURNAL FD University of Wisconsin Press SP 236 OP 243 DO 10.3368/npj.13.3.236 VO 13 IS 3 A1 Wonkka, Carissa L A1 Rogers, William E A1 Smeins, Fred E A1 Hammons, J Ryan A1 Ariza, Martha C A1 Haller, Sarah J YR 2012 UL http://npj.uwpress.org/content/13/3/236.abstract AB Navasota ladies’ tresses (Spiranthes parksii Correll [Orchidaceae]) is a federally and state-listed endangered orchid of east-central Texas. Habitat loss and degradation related to urban and industrial development are major threats to S. parksii populations. To ensure recovery, a complete understanding of the population dynamics, ecology, and biology of an endangered species is necessary to foster effective conservation that is compatible with human population growth and continued development. Here we provide an overview of the known aspects of Spiranthes parksii ecology and biology and highlight factors with implications for species conservation. Our intention is to provide a framework for development of future S. parksii related studies and background for those interested in S. parksii conservation and management.