Synonyms: Bolax prolifer (homotypic); Bolax spinosus (homotypic); Mulinum chillanense; Mulinum gandogeri; Mulinum hirsutum; Mulinum laxum; Mulinum leoninum; Mulinum ovalleanum; Mulinum patagonicum (heterotypic); Mulinum proliferum (homotypic); Mulinum spinosum; Mulinum spinosum chillanense; Mulinum spinosum f. humilis; Mulinum spinosum f. toscae; Mulinum spinosum laxum; Mulinum spinosum var. chillanense; Mulinum spinosum var. laxum; Mulinum spinosum var. leoninum; Mulinum spinosum var. longeinvolucratum; Mulinum spinosum var. proliferum (homotypic); Mulinum spinosum var. quinquepartitum; Mulinum spinosum var. spinosum; Mulinum spinosum var. trispinescens; Mulinum spinosum var. typicum; Selinum proliferum (homotypic); Selinum spinosum (heterotypic)