- Another species, Acanthus spinosus, is so called from its spiny leaves.
- Spinosus and A.
- There are two types, that found in the Acanthus spinosus, which was followed by the Greeks, and that in the Acanthus mollis, which seems to have been preferred by the Romans.
- Spinosus; S.
- Europe has three species - Hoplopterus spinosus, the spur-winged plover, and Chettusia gregaria and C. leucura; but the first and last are only stragglers from Africa and Asia.