You selected Cacalia tuberosa Nutt. This is a synonym for:

Accepted scientific name:
Arnoglossum plantagineum Raf. (provisionally accepted name)
Synonyms:
Cacalia plantaginea (Raf.) Shinners (synonym)
Cacalia pteranthes Raf. (synonym)
Cacalia tuberosa Nutt. (synonym)
Conophora tuberosa (Nutt.) Nieuwl. (synonym)
Mesadenia plantaginea (Raf.) Raf. (synonym)
Mesadenia tuberosa (Nutt.) Britton ex Britton (synonym)
Senecio nuttallii Sch.Bip. (synonym)
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Asterales
Family Asteraceae
Genus Arnoglossum
Distribution: -
Additional data: Data Providers: Govaerts World Compositae Checklist A-G, IPNI, Tropicos. GCC LSID: urn:lsid:compositae.org:names:F9FB5B07-70FA-4642-8F33-377C155B1B27
Source database: GCC, 1 (Beta), Nov 2009
Latest taxonomic scrutiny: Flann C., 10-Aug-09
Online resource: -
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:1f12e946-60a7-102d-be47-00304854f810:ac2010