↑ Haeckel G (1866). Generale Morphologie der Organismen. Berlin: Verlag von Georg Reimer. pp. vol.1: i–xxxii, 1–574, pls I–II, vol. 2: i–clx, 1–462, pls I–VIII.
↑ Van den Hoek, C., D. G. Mann, & H. M. Jahns, 1995. Algae:An Introduction to Phycology. pages 343, 350, 392, 413, 425, 439, & 448 (Cambridge: Cambridge University Press). ISBN 0-521-30419-9
↑ Van den Hoek, C., D. G. Mann, & H. M. Jahns, 1995. Algae:An Introduction to Phycology. pages 457, 463, & 476. (Cambridge: Cambridge University Press). ISBN 0-521-30419-9
↑ Crandall-Stotler, Barbara. & Stotler, Raymond E., 2000. "Morphology and classification of the Marchantiophyta". page 21 in A. Jonathan Shaw & Bernard Goffinet (Eds.) , Bryophyte Biology. (Cambridge: Cambridge University Press). ISBN 0-521-66097-1
↑ Schuster, Rudolf M., The Hepaticae and Anthocerotae of North America, volume VI, pages 712-713. (Chicago: Field Museum of Natural History, 1992). ISBN 0-914868-21-7.
↑ Goffinet, Bernard; Buck, William R. (2004). "Systematics of the Bryophyta (Mosses) : From molecules to a revised classification". Monographs in Systematic Botany. Missouri Botanical Garden Press. 98: 205–239.
1 2 3 4 Raven, Peter H., Ray F. Evert, & Susan E. Eichhorn, 2005. Biology of Plants, 7th edition. (New York: W. H. Freeman and Company). ISBN 0-7167-1007-2.
↑ Gifford, Ernest M. & Adriance S. Foster, 1988. Morphology and Evolution of Vascular Plants, 3rd edition, page 358. (New York: W. H. Freeman and Company). ISBN 0-7167-1946-0.
↑ Taylor, Thomas N. & Edith L. Taylor, 1993. The Biology and Evolution of Fossil Plants, page 636. (New Jersey: Prentice-Hall). ISBN 0-13-651589-4.
