Novelties in Psiadia Jacq. ex Willd. (Compositae) from Madagascar and Comoros

This dataset contains the digitized treatments in Plazi based on the original journal article Calvo, Joel, Callmander, Martin W. (2025): Novelties in Psiadia Jacq. ex Willd. (Compositae) from Madagascar and Comoros. Adansonia (3) 47 (22): 353-362, DOI: 10.5252/adansonia2025v47a22, URL: sciencepress.mnhn.fr/sites/default/files/articles/pdf/adansonia2025v47a22.pdf ABSTRACT Madagascar and the other islands of the western Indian Ocean are the foremost center of species diversity of the genus Psiadia Jacq. ex Willd.

(Compositae, Astereae). Revising the material housed in the historical herbaria P-JU and P-LA, we realized that the name P. madagascariensis (Lam.) DC., based on Lamarck’s name Conyza madagascariensis Lam., was misinterpreted and should be the priority name for the widely used Psiadia altissima (DC.) Benth. & Hook.f. ex B.D. Jacks. To avoid further misinterpretation, the types of the names Conyza glutinosa Lam.