Herbaceous species, such as Arisarum vulgare, Vinca difformis, Allium triquetrum, and Ballota hispanica, frequently appear within the dense and shady tree layer.    From Wordnik.com.  [Iberian sclerophyllous and semi-deciduous forests] Reference

Herbaceous species include Arisarum vulgare, Vinca difformis, Allium triquetrum, and Ballota hispanica and frequently appear within the dense and shady tree layer.    From Wordnik.com.  [Southwest Iberian Mediterranean sclerophyllous and mixed forests] Reference

Arisarum.    From Wordnik.com.  [Prodromus stirpium in horto ad Chapel Allerton vigentium] Reference