Syn.: Pachypodium drakei Costantin et Bois, Pachypodium rosulatum var. delphinense H. Perrier, Pachypodium rosulatum var. drakei (Costantin et Bois) Markgr., Pachypodium rosulatum var. stenanthum Costantin et Bois
Family: Apocynaceae Juss.

Syn.: Senecio canus Hook., Senecio canus var. eradiatus D. C. Eaton, Senecio canus var. purshianus (Nutt.) A. Nelson, Senecio convallium Greenm., Senecio hallii Britton, Senecio hallii var. discoidea W. A. Weber, Senecio harbourii Rydb., Senecio howellii Greene, Senecio laramiensis A. Nelson, Senecio oreopolus Greenm., Senecio purshianus Nutt.
Family: Asteraceae Bercht. et J. Presl

Syn.: Veronica bonarota L., Wulfenia bonarota Sm.
Family: Plantaginaceae Juss.; Scrophulariaceae Juss.

Syn.: Hymenocallis maritima (L.) M. Roem., Pancratium angustifolium M. Roem.
Family: Amaryllidaceae Jaume St.-Hill

Family: Pandanaceae R. Br.

Family: Pandanaceae R. Br.

Family: Pandanaceae R. Br.

Family: Papaveraceae Juss.

Family: Papaveraceae Juss.

Syn.: Paragenipa cervorum Baill., Paragenipa wrightii (Baker) F. Friedmann, Psychotria wrightii Baker, Pyrostria lancifolia Bojer ex Baker, Randia lancifolia (Bojer ex Baker) Hemsl., Uragoga wrightii (Baker) Kuntze
Family: Rubiaceae Juss.

Family: Celastraceae R. Br.; Parnassiaceae S. F. Gray

Syn.: Enneadynamis polonorum Bubani
Family: Celastraceae R. Br.; Parnassiaceae S. F. Gray

Syn.: Paronychia capitata subsp. macrosepala (Boiss.) Maire et Weiller, Paronychia insularum Gand., Paronychia euboea Beauverd et Topali
Family: Caryophyllaceae Juss.

Family: Caryophyllaceae Juss.

Syn.: Argyrochaeta bipinnatifida Cav., Argyrochaeta parviflora Cav., Echetrosis pentasperma Phil., Parthenium glomeratum Rollins, Parthenium lobatum Buckley, Parthenium pinnatifidum Stokes, nom. illeg.
Family: Asteraceae Bercht. et J. Presl