xx Mecardonia procumbens (Miller) Small [ Mecardonia vandellioides (Kunth) Pennell]
      
no HD illustration available (m3)
Mecardonia procumbens test 17 (Miller) Small {80 509230 Herpestis vandellioides Kunth} Scrophulariaceae
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 686 d-i (1972) [V. Frazier]