Template:Kasapligil et al., 1953
- Kasapligil, B., Mason, C.T., Shan, J.-H., Egerod, L.E., Silva, P.C., Tepfer, S.S., Constance, L. 1953. Floral anatomy and ontogeny in Aquilegia formosa var. truncata and Ranunculus repens. Morphological and Ontogenetic Studies of Umbellularia californica Nutt. and Laurus nobilis L.. University of California press, 25 pp. 135