You selected Centrocarpha gracilis D.Don ex Sweet. This is a synonym for:

Accepted scientific name:
Rudbeckia hirta L. (provisionally accepted name)
Synonyms:
Centrocarpha gracilis D.Don ex Sweet (synonym)
Centrocarpha hirta D.Don ex Sweet (synonym)
Coreopsis hirta Raf. (synonym)
Rudbeckia serotina Nutt. (synonym)
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Asterales
Family Asteraceae
Genus Rudbeckia
Distribution: -
Additional data: Data Providers: Caribbean Checklist, New Zealand Plant Name Database, Flora of Japan, Flora Malesiana, Govaerts World Compositae Checklist A-G, IPNI, Flora of China Checklist, Tropicos, Euro+Med. GCC LSID: urn:lsid:compositae.org:names:14D180B7-3E38-4452-B033-D5E649D6F7F6
Source database: GCC, 1 (Beta), Nov 2009
Latest taxonomic scrutiny: Flann C., 15-Aug-09
Online resource: -
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:1e917dd4-60a7-102d-be47-00304854f810:ac2010