Chorological data on 13 taxa scarce or rare for the flora of Aragón, from Teruel and Zaragoza provinces, are contributed, highlighting Centaurium quadrifolium (L.) G. López & Ch.E. Jarvis subsp. quadrifolium, Ophioglossum azoricum C. Presl and Rhaponticoides alpina (L.) M.V. Agab. & Greuter as first records for Aragón, and also two new localities of Lonicera arborea Boiss. from Javalambre Mountain Range