References for Apiaceae

Bell, C.R. 1954. The Sanicula crassicaulis complex (Umbelliferae). Univ. Calif. Publ. Bot. 27:133-30.
Brummitt, R.K. 1971. Relationship of Heracleum lanatum Michx. of North America to H. sphondylium of Europe. Rhodora 73:578-584.
Chuang, T.-I. 1970. A systematic anatomical study of Perideridia (Umbelliferae-Apioideae). Am. J. Bot. 57:495-503.
Chuang, T.-I., and L. Constance. 1969. A systematic study of Perideridia (Umbelliferae-Apioideae). Univ. Calif. Publ. Bot. 55:1-74.
Constance, L., and R.H. Shan. 1948. The genus Osmorhiza (Umbelliferae): a study in geographic affinities. Univ. Calif. Publ. Bot. 23:111-156.
Coulter, J.M., and J.N. Rose. 1900. Monograph of the North American Umbelliferae. Contr. U.S. Natl. Herb. 7:1-256.
Crawford, D.J., and R.L. Hartman. 1972. Chromosome numbers and taxonomic notes for Rocky Mountain Umbelliferae. Am. J. Bot. 59:386-392.
Mathias, M.E. 1938. A revision of the genus Lomatium. Ann. Missouri Bot. Gard. 25:225-297.
Mathias, M.E., and L. Constance. 1942. A synopsis of the American species of Cicuta. Madrono 6:145-151.
Mulligan, G.A. 1980. The genus Cicuta in North America. Can. J. Bot. 58:1755-1767.
Schlessman, M.A. 1984. Systematics of tuberous Lomatiums (Umbelliferae). Syst. Bot. Monogr. 4. 55pp.
Shan, R.H., and L. Constance. 1951. The genus Sanicula (Umbelliferae) in the Old World and the New. Univ. Calif. Publ. Bot 25:1-78.
Theobald, W.L. 1966. The Lomatium dasycarpum-mohavense-foeniculaceum complex (Umbelliferae). Brittonia 18:1-18.

Source for the Reference Lists

George W. Douglas, Del Meidinger and Jim Pojar. 1998-2002. Illustrated Flora of British Columbia.