Checklist of chromosome numbers counted in Madeiran flowering plants, with notes on polyploidy, life form, endemism and evolutionDALGAARD, V.Nordic journal of botany. 1994, Vol 14, Num 3, pp 241-255, issn 0107-055XArticle

Chromosome numbers in flowering plants from MadeiraDALGAARD, V.Willdenowia. 1986, Vol 16, Num 1, pp 221-240, issn 0511-9618Article

Additional chromosome numbers in vascular plants from the Disko Bugt area (West Greenland)DALGAARD, V.Willdenowia. 1989, Vol 19, Num 1, pp 199-213, issn 0511-9618Article

Chromosome numbers in flowering plants from MadeiraDALGAARD, V.Willdenowia. 1986, Vol 16, Num 1, pp 221-240, issn 0511-9618Article

× Ledodendron vanhoeffeni (syn.: Rhododendron vanhoeffeni) refound in GreenlandDALGAARD, V; FREDSKILD, B.Nordic journal of botany. 1993, Vol 13, Num 3, pp 253-255, issn 0107-055XArticle