Benzing, David H.; Burt, Kathleen M. (1970). “Foliar Permeability Among Twenty Species of the Bromeliaceae”. 《Bulletin of the Torrey Botanical Club》 97 (5): 269–279. doi:10.2307/2483646. JSTOR2483646.
Benzing, David H.; Dahle, Christopher E. (1971). “The Vegetative Morphology, Habitat Preference and Water Balance Mechanisms of the Bromeliad Tillandsia ionantha Planch”. 《The American Midland Naturalist》 85 (1): 11–21. doi:10.2307/2423907. JSTOR2423907.
Benzing, David H.; Burt, Kathleen M. (1970). “Foliar Permeability Among Twenty Species of the Bromeliaceae”. 《Bulletin of the Torrey Botanical Club》 97 (5): 269–279. doi:10.2307/2483646. JSTOR2483646.
Benzing, David H.; Dahle, Christopher E. (1971). “The Vegetative Morphology, Habitat Preference and Water Balance Mechanisms of the Bromeliad Tillandsia ionantha Planch”. 《The American Midland Naturalist》 85 (1): 11–21. doi:10.2307/2423907. JSTOR2423907.