Flora Atlantica, sive, Historia plantarum quae in Atlante, agro Tunetano et Algeriensi crescunt (Plate 103) (7456019204).jpg
Global Biodiversity Information Facility
World Checklist of Selected Plant Families
Open Tree of Life reference taxonomy version 3.2
A worldwide molecular phylogeny and classification of the leafy spurges, Euphorbia subgenus Esula (Euphorbiaceae)