,
The Plant List accepted only 10 species: •
Parietaria cretica L. •
Parietaria debilis G.Forst. (syn.
Parietaria micrantha Ledeb.) •
Parietaria floridana Nutt. •
Parietaria judaica L. (syn.
Parietaria diffusa Mert. & W.D.J.Koch) •
Parietaria lusitanica L. •
Parietaria macrophylla B.L. Rob. & Greenm. •
Parietaria mauritanica Durieu •
Parietaria officinalis L. •
Parietaria pensylvanica Muhl. ex Willd. •
Parietaria praetermissa B.D. Hinton Names which The Plant List did not accept but regarded as unresolved include: •
Parietaria australis (Nees) Blume •
Parietaria cardiostegia Greuter •
Parietaria filamentosa Webb & Berthel. •
Parietaria hespera B.D.Hinton •
Parietaria laxiflora Engl. •
Parietaria ruwenzoriensis Cortesi Other species have been moved to different genera: •
Parietaria alsinifolia Delile =
Freirea alsinaefolia (Delile) Gaudich. Several species can be
weeds; the Mediterranean species
P. judaica is widely
naturalised in the Americas, while the American
P. pensylvanica is conversely naturalised in Europe. ==References==