This paper covers 21 taxa of native or introduced vascular plants that were recently recorded in the island of Gran Canaria. Five taxa are new records for the Canary Islands: Aegilops triuncialis, Aristolochia baetica, Dysphania pumilio, Holcus mollis and Ranunculus paludosus. Five are new to Gran Canaria: Anacyclus clavatus, Erodium touchyanum, Helianthemum ledifolium, Parentucellia latifolia and Scleranthus annuus subsp. polycarpos. Furthermore, new chorological data are presented for eleven rare or little-known species: Cynanchum acutum, Diplotaxis
tenuifolia, Euphorbia serrata, Ephedra fragilis, Helianthemum salicifolium, Krubera peregrina, Lupinus albus, Ornithopus pinnatus, Rhamnus crenulata, Serapias parviflora and Veronica cymbalaria.