Records of new species of vascular plants in Greenland from the last four decades are presented and new phytogeographical data leading to extension of the known distribution limits in Greenland are discussed. Since the publication of the latest edition of the Flora of Greenland in 1978 (Böcher et al. 1978) fieldwork by Greenland Botanical Survey and other expeditions have taken place especially in West and East Greenland and in many remote areas in North and Northeast Greenland. This paper serves as an update of the Flora of Greenland. Twenty species, one subspecies and one new forma have been added to the flora of Greenland:Carex membranaceaHook.,Carex miliarisMichx.,Carex rhomalea(Fernald) Mack.,Equisetum hyemaleL.,Festuca edlundiaeS. Aiken, Consaul and Lefkovich,Festuca groenlandica(Schol.) Frederiksen,Festuca saximontanaRydb.,Galium verumL.,Geum rossii(R. Br.) Ser.,Papaver cornwallisenseD. Löve,Papaver dahlianumNordh.,Papaver labradoricum(Fedde) Solstad and Elven,Papaver lapponicum(Tolm.) Nordh., Pedicularis sudetica Willd. ssp. albolabiata Hult.,Poa flexuosaSm.,Puccinellia bruggemanniTh. Sør.,Ranunculus subrigidusW.B. Drew.,Silene vulgaris(Moench) Garcke,Trientalis europaeaL. andVeronica officinalisL. in addition to one subspecies Phippsia algida (Sol.) R. Br. ssp. algidiformis (H. Sm.) Löve and Löve. The viviparous form of Poa hartzii f. prolifera has been reported for the first time in Greenland. Presently, the total number of vascular plant species in Greenland is 532. 89 new northern and 28 new southern distribution limits are presented and 26 species are new to the flora province East Greenland, whereas 15 species are new to West Greenland. The numbers of new species to flora provinces North and South Greenland are 14 and one, respectively.
