1. Baskin , J. M. C. C. Baskin Germination ecology and adaptation to habitat in Leavenworthia spp. (Cruciferae) Amer. Midland Natur.
2. Baskin , J. M. C. C. Baskin Germination ecophysiology of Draba verna L Bull. Torrey Bot. Club.
3. Temperature control of germination of Helenium amarum seeds;Caplenor;Ecology,1967
4. The germination pattern of three winter annuals;Caudle;Bull. Torrey Bot. Club,1968
5. A revision of Phacelia subgenus Cosmanthus (Hydrophyllaceae);Constance;Contrib. Gray Herb. Harvard Univ.,1949