References for Hydrophyllaceae

Beckmann, R.L., Jr. 1979. Biosystematics of the genus Hydrophyllum (Hydrophyllaceae). Amer. J. Bot. 66:1053-1061.
Constance, L. 1942. The genus Hydrophyllum L. Amer. Midl. Nat. 27:710-731.
Constance, L. 1941. The genus Nemophila Nutt. Univ. Calif. Publ. Bot. 19:341-398.
Gillett, G.W. 1960. A systematic treatment of the Phacelia franklinii group. Rhodora 62:205-222.
Gillett, G.W. 1961. An experimental study of the variations in the Phacelia sericea complex. Amer. J. Bot. 48:1-7.
Gillett, G.W. 1962. Evolutionary relationships of Phacelia linearis. Brittonia 14:231-236.
Heckard, L.R. 1960. Taxonomic studies in the Phacelia magellanica polyploid complex. Univ. Calif. Publ. Bot. 32:1-126.

Source for the Reference Lists

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