"* Dasylirion caespitosum Scheidw." . "* Dasylirion flexile K.Koch" . . "* Dasylirion hookeri Lem." . . . "* Beaucarnea hookeri (Lem.) Baker" . . "* Dasylirion hartwegianum Hook. nom. illeg." . . . "One of only two species in its genus, Calibanus hookeri is a member of the Asparagaceae family native to Tamaulipas in Mexico, which can easily be mistaken in habitat for a boulder overgrown with grass tufts."@en . . . "Mexican boulder"@en . "* Nolina hookeri (Lem.) G.D.Rowley" . "* Calibanus caespitosus (Scheidw.) Rose" . .