- Source: C. axillaris
- Callia axillaris
- Callia potiaiuba
- Chrysobothris axillaris
- Callia ambigua
- Callia leucozonata
- Callia bella
- Callia comitessa
- Callia batesi
- Callia punctata
- Callia rubristerna
- C. axillaris
- Choerospondias
- Cyanotis axillaris
- Coursetia axillaris
- Petunia axillaris
- Coleothorpa axillaris
- Cymindis axillaris
- Callia axillaris
- Cristiceps
- Caesulia
C. axillaris may refer to the following species:
Caesulia axillaris Roxb.
Calamus axillaris Becc.
Camarea axillaris A.St.-Hil.
Carduus axillaris Gaudin
Cavendishia axillaris A.C.Sm.
Centaurea axillaris Willd.
Cephalaria axillaris Hausskn. ex Bornm.
Chionanthus axillaris R.Br.
Choerospondias axillaris (Roxb.) B.L.Burtt & A.W.Hill
Coursetia axillaris J.M.Coult. & Rose
Crataegus axillaris Pers. (unplaced)
Crotalaria axillaris Aiton
Croton axillaris Müll.Arg.
Cyanotis axillaris (L.) D.Don ex Sweet
Cyathea axillaris (Fée) Lellinger
Cyclocodon axillaris (Oliv.) W.J.de Wilde & Duyfjes
Cyrtandra axillaris C.B.Clarke