5. Amaranthus crispus (Lesp. et Thév.) N. Terrac. (Argentina) – A rare, ephemeral and much decreasing alien. Formerly regularly seen between 1887 and 1959 as a wool alien in the Vesdre valley, rarely elsewhere. Last seen (outside the Vesdre valley) on a dump in the port of Antwerpen in 1952.
Amaranthus crispus is locally naturalised in parts of Europe.
Selected literature:
Dhien R. (1959) L’Amaranthus crispus dans la Nièvre. Bull. Soc. Bot. Fr. 106: 27-28.
Kloos A.W. Jr. (1949) Dix espèces d’Amaranthus nouvelles pour la flore belge. Bull. Jard. Bot. Etat Brux. 19: 243-250.
Taxonomic name: