1. Effect of floral aging on the growth of compatible and incompatible pollen tubes in Lilium longiflorum;Ascher;Amer. J. Bot.,1966
2. Pollen tube growth following intra- and interspecific pollinations of Lilium longiflorum;Ascher;Amer. J. Bot.,1968
3. Unilateral interspecific incompatibility in Lilium;Ascher;Ybk. N. Amer. Lily Soc.,1971
4. Preliminary report of hybrids from the cross Lilium X “Damson” × Lilium longiflorum;Ascher;Ybk. N. Amer. Lily Soc.,1973
5. Stigmatic exudate: A potential carrier of exogenous substances into the style of Lilium longiflorum Thunb.;Ascher;J. Amer. Soc. Hort. Sci.,1970