Boon-Earn Milindasuta. Developmental Anatomy of Coralloid Roots in Cycads. „American Journal of Botany”. 62 (5), s. 468, 1975. DOI: 10.2307/2441953. ISSN0002-9122. (ang.).
Angela Hodge, Graziella Berta, Claude Doussan, Francisco Merchan i inni. Plant root growth, architecture and function. „Plant and Soil”. 321 (1–2), s. 153–187, 2009. DOI: 10.1007/s11104-009-9929-9. ISSN0032-079X. (ang.).
J Halliday, JS Pate. Symbiotic Nitrogen Fixation by Coralloid Roots of the Cycad Macrozamia riedlei: Physiological Characteristics and Ecological Significance. „Australian Journal of Plant Physiology”. 3 (3), s. 349, 1976. DOI: 10.1071/PP9760349. ISSN0310-7841. (ang.).
J.S. Pate, P. Lindblad, C.A. Atkins. Pathways of assimilation and transfer of fixed nitrogen in coralloid roots of cycad-Nostoc symbioses. „Planta”. 176 (4), s. 461–471, 1988. DOI: 10.1007/BF00397652. ISSN0032-0935. (ang.).
worldcat.org
Boon-Earn Milindasuta. Developmental Anatomy of Coralloid Roots in Cycads. „American Journal of Botany”. 62 (5), s. 468, 1975. DOI: 10.2307/2441953. ISSN0002-9122. (ang.).
Angela Hodge, Graziella Berta, Claude Doussan, Francisco Merchan i inni. Plant root growth, architecture and function. „Plant and Soil”. 321 (1–2), s. 153–187, 2009. DOI: 10.1007/s11104-009-9929-9. ISSN0032-079X. (ang.).
J Halliday, JS Pate. Symbiotic Nitrogen Fixation by Coralloid Roots of the Cycad Macrozamia riedlei: Physiological Characteristics and Ecological Significance. „Australian Journal of Plant Physiology”. 3 (3), s. 349, 1976. DOI: 10.1071/PP9760349. ISSN0310-7841. (ang.).
J.S. Pate, P. Lindblad, C.A. Atkins. Pathways of assimilation and transfer of fixed nitrogen in coralloid roots of cycad-Nostoc symbioses. „Planta”. 176 (4), s. 461–471, 1988. DOI: 10.1007/BF00397652. ISSN0032-0935. (ang.).