Entity:

Attributes

Pre-starting-point name (nom. inval.: "nom. praeinit.") [ICBN, 2018: Art. 13.1(a): Spermat. Pterid. 1753(<=genus)]

Ref: S.J. Brands (comp.), 1989-present. Syst. Nat. 2000: 25 Aug 2021.

Homonyms

Junior homonym (unavailable)	:	*Sphaerocephalus* (Genus) Labbé, 1899, nom. inval.	Ref: S.J. Brands (comp.), 1989-present: 25 Aug 2021.
Junior homonym (unavailable)	:	*Sphaerocephalus* (Genus) Necker ex Lindb. (1878), nom. illeg.	Ref: S.J. Brands (comp.), 1989-present: 25 Aug 2021.
Junior homonym (unavailable)	:	*Sphaerocephalus* (Genus) Battarra ex Earle (1909), nom. illeg.	Ref: S.J. Brands (comp.), 1989-present: 25 Aug 2021.

Synonymous name

Echinopus (Genus) Tourn., nom. inval.

Ref: C. Linnaeus, 1735: [7].