The genus Cacalia L. is a nomen rejiciendum (rejected name) under the International Code of Nomenclature for algae, fungi, and plants. Appendix V. Nomina utique rejicienda. E. Spermatophyta The type species C. alpina L. has been transferred to Adenostyles alpina (L.) Bluff & Fingerh., and the former species of Cacalia now reside in a few different genera. Adenostyles Adenostyles alliariae (Gouan) A. Kern. Cacalia alliariae Gouan Adenostyles alpina (L.) Bluff & Fingerh. Cacalia alpina L. Adenostyles briquetii Gamisans Cacalia briquetii (Gamisans) Gamisans Adenostyles leucophylla (Willd.) Rchb. Cacalia leucophylla Willd. Arnoglossum Arnoglossum atriplicifolium (L.) H.Rob. - Pale Indian Plantain Cacalia atriplicifolia L. Cacalia rotundifolia (Raf.) House Arnoglossum diversifolium (Torr. & Gray) H.Rob. - Variable-leaved Indian Plantain Cacalia diversifolia Torr. & Gray Arnoglossum floridanum (Gray) H.Rob. - Florida cacalia Cacalia floridana Gray Arnoglossum muehlenbergii (Sch.Bip.) H.Rob. - Great Indian Plantain Cacalia muehlenbergii (Schultz-Bip.) Fern. Cacalia reniformis Muhl. ex Willd., non Lam. Arnoglossum ovatum (Walter) H.Rob. - Ovateleaf cacalia Cacalia elliottii (Harper) Shinners Cacalia lanceolata Nutt. Cacalia ovata Walt. Cacalia tuberosa Nutt. Arnoglossum sulcatum (Fernald) H.Rob - Georgia Indian plaintain Cacalia sulcata Fern.
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