Systematics and Taxonomy: (1) Speciation in serpentine endemic plants (2) Taxonomy of Streptanthus (Section Euclisia, Cruciferae) (3) Interfertility among North American species of Silene and Lychnis (Caryophyllaceae) (4) Cytogenetics of interspecific hybrids (5) Cytotaxonomy of Silene and Phacelia.
Arthur Rice Kruckeberg, born 21 March, 1920 in Los Angeles, fell in love with the plant world at an early age. He immersed himself in local flora and ornamental plants for gardens all during his school years. After earning his Bachelor of Arts degree with honors (Phi Beta Kappa initiate) at Occidental College in 1939, he began graduate studies in botany at Stanford University. World War II intervened and Art became a Japanese Language Officer in the US Navy. All during the war years, Art found opportunities to pursue studies of plant life in the Pacific theatre (Hawaii, the Mariannas, the Philippines, and in Japan). After the war, with the aid of the G.I. Bill, Art earned his Ph.D. degree at the University of California (Berkeley) in 1950; his thesis on serpentine ecology and evolution started him on 50 years devotion to the ecology of serpentines and other