|Publication Type:||Journal Article|
|Year of Publication:||2012|
|Authors:||K. N. Taylor, O'Kennon, R. J., Rehman, T. F.|
|Journal:||Journal of the Botanical Research Institute of Texas|
More than 125 Isoētes butleri populations are reported from 11 additional counties in north central Texas. These collections bridge the 450 km disjunction between Oklahoma and central Texas records. SEM examination of megaspore ornamentation and size confirm the determination. Descriptions of sites, population sizes, associated plants, soils, and species characteristics are included and discussed.