References
Hartman, R.L., and M.A. Lane. 1987. A new species of Machaeranthera section Psilactis (Asteraceae: Astereae) from coastal Texas. Brittonia 39(2): 253-257. Google Scholar
Hartman, R.L., and M.A. Lane. 1987. A new species of Machaeranthera section Psilactis (Asteraceae: Astereae) from coastal Texas. Brittonia 39(2): 253-257. Google Scholar