Karasev, E. V.; Krassilov, V. A. "Late Permian phylloclades of the new genus Permophyllocladus and problems of the evolutionary morphology of peltasperms". Paleontological Journal. 41 (2): 198–206. doi:10.1134/S0031030107020104.
Cooney-Sovetts, C.; Sattler, R. (1987). "Phylloclade development in the Asparagaceae: an example of homeosis". Botanical Journal of the Linnean Society. 94: 327–371. doi:10.1111/j.1095-8339.1986.tb01053.x.
Hirayama; et al. (2007). "Expression patterns of class 1 KNOX and YABBY genes in Ruscus aculeatus (Asparagaceae) with implication for phylloclade homology". Development Genes and Evolution. 217: 363–372. doi:10.1007/s00427-007-0149-0.
Dickinson, T.A. (1978). "Epiphylly in angiosperms". The Botanical Review. 44 (2): 181–232. doi:10.1007/bf02919079.
