26. Summary - endangered and threatened species 



Name of species: Listera australis (southern twayblade) 



Species legal status and authority: Endangered peripheral 

 in North Carolina (Cooper et al. 1977). 



Number of populations on site: One. 



Number of individuals per population: Only about 8. 



Size or maturity of individuals: 



Phenology of population: 

 Eg: vegetative % 50% 



flowering I 50% 



fruiting % 

 General vigor of population: Very tenuous population. 



Disturbance or threats to population: None known. 



Habitat characteristics 



Plant community: Pinus taeda/? Sucessional area. 



Topography: Flat ridge top. 



Soil series: Unknown. 



Microclimate: 



Drainage basin: Chowan River. 



Other plants and animal species present: 



Aerial or detailed maps with populations clearly marked; 



138 



