| Justicia aurea (Rose) Lindau, 1897 |
| Justicia austrocapensis T.F. Daniel, 1997 |
| Justicia bartlettii (Leonard) D.N. Gibson, 1972 |
| Justicia borrerae (Hemsl.) T.F. Daniel, 1995 |
| Justicia brandegeeana Wassh. & L.B. Sm., 1969 |
| Justicia breedlovei T.F. Daniel, 1995 |
| Justicia breviflora (Nees) Rusby, 1900 |
| Justicia californica (Benth.) D.N. Gibson, 1972 |
| Justicia callistachya Schltdl. & Cham., 1831 |
| Justicia campechiana Standl. ex Lundell, 1934 |
| Justicia campechiana subsp. campechiana Standl. ex Lundell, 1934 |
| Justicia canbyi Greenm., 1904 |
| Justicia candelariae (Oerst.) Leonard, 1936 |
| Justicia candicans (Nees) L.D. Benson, 1981 |
| Justicia carnea Lindl., 1831 |
| Justicia carthagenensis Jacq., 1760 |
| Justicia caudata A. Gray, 1886 |
| Justicia chiapensis Brandegee, 1914 |
| Justicia chimalapensis T.F. Daniel, 1999 |
| Justicia chlorostachya Leonard, 1958 |