BioStor
 | XII.—Excursions in upper Styria, 1842 R C Alexander (1846) Annals And Magazine of Natural History 18: 94-102 |
 | Notes on the genus Ghinia (Verbenaceae) H N Moldenke (1981) Phytologia 47: 404-419 |
 | New or noteworthy species of Cardamine (Brassicaceae) from China Ihsan Al-Shehbaz (2000) Novon 10: 323-328 |