Species
ligulata
(M.E. Jones) W.A. Weber
syn. Parthenium ligulatum
3
Species
tetraneuris
(Barneby) W.A. Weber
syn. Parthenium tetraneuris
Individual specimen entries are published in the sample database supplied with
The Compleat Botanica for species or varieties of this supra-generic taxon.
Semantax impliedFiddle concept contextOccurs oftenImplicit semantax The key concept presented is that semantax can often be implied from context. When that occurs the sematax can be omitted.