Schulz, Christian; Little, Damon P.; Stevenson, Dennis W.; Bauer, Dennise; Moloney, Ciaran; Stützel, Thomas (September 2010). "An Overview of the Morphology, Anatomy, and Life Cycle of a New Model Species: The Lycophyte (L.) Spring". International Journal of Plant Sciences. 171 (7): 693–712. doi:10.1086/654902. S2CID83707347.
Somers, Paul; Buck, William R. (1 January 1975). "Selaginella ludoviciana, S. apoda and Their Hybrids in the Southeastern United States". American Fern Journal. 65 (3): 76–82. doi:10.2307/1546743. JSTOR1546743.
Buck, William R.; Lucansky, Terry W. (1 January 1976). "An Anatomical and Morphological Comparison of Selaginella apoda and Selaginella ludoviciana". Bulletin of the Torrey Botanical Club. 103 (1): 9–16. doi:10.2307/2484743. JSTOR2484743.
Morton, C.V. (1967). "Selaginella apus or apoda?". American Fern Journal. 57 (3): 104–106. doi:10.2307/1546228. JSTOR1546228.
Bowen, John E.; Gauch, Hugh G. (April–June 1965). "The Essentialty of Boron for Dryopteris dentata and Selaginella apoda". American Fern Journal. 55 (2): 67–73. doi:10.2307/1546138. JSTOR1546138.
efloras.org
Valdespino, Iván A. (1993). "Selaginella apoda". Flora of North America. Vol. 2. Oxford University Press.
jstor.org
Somers, Paul; Buck, William R. (1 January 1975). "Selaginella ludoviciana, S. apoda and Their Hybrids in the Southeastern United States". American Fern Journal. 65 (3): 76–82. doi:10.2307/1546743. JSTOR1546743.
Buck, William R.; Lucansky, Terry W. (1 January 1976). "An Anatomical and Morphological Comparison of Selaginella apoda and Selaginella ludoviciana". Bulletin of the Torrey Botanical Club. 103 (1): 9–16. doi:10.2307/2484743. JSTOR2484743.
Morton, C.V. (1967). "Selaginella apus or apoda?". American Fern Journal. 57 (3): 104–106. doi:10.2307/1546228. JSTOR1546228.
Bowen, John E.; Gauch, Hugh G. (April–June 1965). "The Essentialty of Boron for Dryopteris dentata and Selaginella apoda". American Fern Journal. 55 (2): 67–73. doi:10.2307/1546138. JSTOR1546138.
Schulz, Christian; Little, Damon P.; Stevenson, Dennis W.; Bauer, Dennise; Moloney, Ciaran; Stützel, Thomas (September 2010). "An Overview of the Morphology, Anatomy, and Life Cycle of a New Model Species: The Lycophyte (L.) Spring". International Journal of Plant Sciences. 171 (7): 693–712. doi:10.1086/654902. S2CID83707347.
