Animalia | Arthropoda | Insecta | Hymenoptera | Megachilidae | Osmia | (Chenosmia) | Osmia clarescens
Eukaryota | Plantae | Pteridobiotina | Tracheophyta | Magnoliopsida | Asterales | Asteraceae | Asteroideae | Eupatorieae | Praxelinae | Chromolaena
COL:CS5HF | COL:P | COL:CMQ8S | COL:TP | COL:MG | COL:ST | COL:622TP | COL:J6T | COL:KV97G | COL:KVQFF | COL:3PBP
(Chatton, 1925) Whittaker & Margulis, 1978 |  | Britton & Brown |  |  | Link | Dumort. | (Cass.) Lindl. | Cass. | R.M.King & H.Rob. | DC.