Texas Vascular Plant Checklist:  Campanulaceae
The Bellflower Family
(Magnoliophyta, Magnoliopsida, Asteridae)

 Campanula
   rapunculoides L. (creeping bellflower)
   reverchonii Gray (basin bellflower)
   rotundifolia L. (bluebell, harebell)

 Lobelia
   appendiculata var. appendiculata (ear-flower lobelia)
   berlandieri var. berlandieri (berlandier lobelia)
   berlandieri var. brachypoda (Gray) McVaugh
   cardinalis L. (cardinal flower)
   fenestralis Cav. (leafy lobelia)
   flaccidifolia Small (fold ear lobelia)
   floridana Chapman (florida lobelia)
   puberula var. mineolana F. Wimmer (downy lobelia, purple dewdrop)
   puberula var. pauciflora Bush
   puberula var. puberula
   puberula var. simulans Fernald
   siphilitica var. ludoviciana A. DC. (louisiana lobelia)
   spicata var. scaposa McVaugh (palespike lobelia, highbelia)

 Triodanis
   biflora (Ruiz & Pavòn) Greene (small venus' looking glass)
   coloradoensis (Buckl.) McVaugh (colorado venus looking-glass, texas venus looking-glass, lindheimer venus looking-glass)
   holzingeri McVaugh (holzinger's venus' looking glass)
   lamprosperma McVaugh (prairie venus' looking glass)
   leptocarpa (Nutt.) Nieuwl. (slimpod venus looking-glass)
   perfoliata (L.) Nieuwl. (clasping leaf venus' looking glass)
   texana McVaugh (texas venus' looking glass)

 Wahlenbergia
   marginata (Thunb.) A. DC. (southern rockbell)