(italic, discussed in lecture, italic and bold, assigned reading)

Bower, F.O. 1923-1928. The Ferns. The Cambridge University Press, Cambridge, England.
Christ, H. 1910.  Die Geographie der Farne. Jena, Germany, Gustav Fischer.
Copeland, E.B. 1947. Genera Filicum. Chronica Botanica Co., Waltham, MA.
Dyer, A.F. (ed.) 1979. The Experimental Biology of Ferns. Academic-Press, London.
Dyer, A.F.  &  C.N. Page (eds.) 1985. Biology of Pteridophytes. Royal Society of Edinburgh, Edinburgh.
Hofmeister, W. 1862. The Higher Cryptogamia. Ray Society, London.'
Jermy, A.C., J.A. Crabbe, & B.A. Thomas. (eds.) 1973. The Phylogeny and Classification of the Ferns. Bot. J. Linn. Soc. 67 Supplement No. 1.
Knobloch, I.W. 1976. Pteridophyte Hybrids. Publ. Mus. Mich. State Univ., Biol. Ser. 5: 273-352.
Love, A., D. Love,  R.E.G. Pichi-Sermolli. 1977. Cytotaxonomical Atlas of the Pteridophyta. J. Cramer, Vadoz, Germany.
Manton, I. 1950. Problems of Cytology and Evolution in the Pteridophyta.  Cambridge University Press, Cambridge, England.
Mickel, J.T. 1979. How to Know the Ferns & Fern Allies. Wm. C. Brown Co., Dubuque, Iowa.
Moran, Robbin. 2004. A Natural History of Ferns.  Timber Press, Portland, Oregon, USA.
Ranker, T.A. and C.H. Haufler. 2008. Biology and Evolution of Ferns and Lycophytes. Cambridge University Press.
Smith, J. 1875. Historia Filicum. MacMillan  Co., London.
Sporne, K.R. 1975. The Morphology of Pteridophytes. Hutchinson & Co., London.
Takhtajan, A. 1986. Floristic Regions of the World. Berkeley, California, USA.  University of California Press.
Tryon, A.F. 1991. Spores of the Pteridophyta. New York, USA.  Springer-Verlag.
Tryon, A.F. and R. C. Moran. 1997. The Ferns and Allied Plants of New England.  Center for Biological Conservation, Massachusetts Audubon Society, Lincoln, Mass. USA.  
Tryon, R.M. & A.F. Tryon. 1982. Ferns and Allied Plants (with Special Reference to Tropical America). Springer-Verlag, NY.
Verdoorn, F. (ed.) 1938. Manual of Pteridology. M. Nijhoff, The Hague, Netherlands.
Barker, M.S., S.W. Shaw, and R.J. Hickey. 2005.  Lepidopteran soral crypsis on Caribbean ferns.  Biotropica 37:314-316.  
Barker M. S. and P. G. Wolf. 2010.  Unfurling Fern Biology in the Genomics Age
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Barrington, D.S.  1986.  The morphology and cytology of
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Barrington, D.S. 1990.  Hybridization and allopolyploidy in Central American Polystichum: cytological and isozyme documentation.  Ann. Missouri Bot. Gard. 77: 297-305.
Barrington, D.S. 1992. Climate and the disjunct distribution of Polystichum alfarii (Christ) Barr. in Mesoamerica.  Rhodora 94:327-339.
Barrington, D.S. 1993.  Ecological and historical factors in fern biogeography.  J. Biogeography 20:275-280.
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Conant, D.S. and D.B. Stein. 2001.  Phylogenetic and geographic relationships of the tree ferns (Cyatheaceae) on Mount Kinabalu.  Sabah Parks Nature Journal 4:25-43.
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Cousens, M.I. & H.T. Horner. 1970. Gametophyte ontogeny and sex expression in Dryopteris ludoviciana. Am. Fern J. 60: 13-27.
Crist, K. C.  and D. R. Farrar.  1983.   Genetic load and long-distance dispersal in Asplenium platyneuron.  Canadian Journal of Botany 61: 1809-1814.
Dassler, Cynthia L.and Donald R. Farrar, 2001, Significance of Gametophyte Form in Long-Distance Colonization by Tropical, Epiphytic Ferns, Brittonia 53, No. 2 (Papers from the Pteridophyte Biogeography Symposium,International Botanical Congress): 352-369.

DeMaggio, A.E. 1971. Ferns as a model system for studying polyploidy and gene dosage effects.   BioScience. 21: 313-316.

Döpp, W. 1950.  Eine die antheridienbildung bei farnen fördernde substanz in den prothallien von Pteridium aquilinum L. Kuh. Ber. Dtch. Got. Ges. 63:139-147.
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Farrar, D. 1967. Gametophytes of four tropical fern genera reproducing independently of their sporophytes in the southern Appalachians. Science 155: 1266-1267.
Farrar, D. R. 1990.  Species and evolution in asexually reproducing independent fern gametophytes.  Syst. Bot.  15: 98-111.
Gastony, G. J. 1986.  Electrophoretic evidence for the origin of fern species by unreduced spores.  Amer. J. Bot. 73: 1563-1569.
Gastony, G. J. 1988.  The Pellaea glabella complex: evidence for the derivations of the agamosporous taxa and a revised taxonomy.   American Fern J. 78: 44-67.
Gastony, G.J. and M.C. Ungerer. 1997. Molecular systematics and a revised taxonomy of the onocleoid ferns (Dryopteridaceae: Onocleeae). Amer. J. Bot. 84: 840–849.

Gay. H.  1993. Animal-fed plants:  An investigation into the uptake of ant-derived nutrients by the far-eastern epiphytic fern Lecanopteris Reinw. (Polypodiaceae). Biological Journal of the Linnean Society, 50: 221-233.

Geiger, J.M.O. and T.A. Ranker. 2005 Molecular phylogenetics and historical biogeography of Hawaiian Dryopteris (Dryopteridaceae). Mol. Phylogenet. Evol. 34(2):392-407.
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Gomez P., L.D. 1974. Biology of the potato fern Solanopteris brunei. Brenesia 4: 37-61.
Gruber, T. M. 1981.  The branching pattern of Hypolepis repens.  Amer. Fern J. 71: 41-47.
Grusz, A., M.D. Windham, and K.M. Pryer. 2009. Deciphering the origins of apomictic polyploids in the Cheilanthes yavapensis complex (Pteridaceae). American Journal of Botany 96: 1636–1645.
Hasebe, M., P.G. Wolf, K.M. Pryer, K. Ueda, M. Ito, R. Sano, G.J. Gastony, J. Yokoyama, J.R. Manhart, N. Murakami, E.H. Crane, C.H. Haufler, and W.D. Hauk. 1995. Fern phylogeny based on rbcL nucleotide sequences. Amer. Fern J. 85: 134–181.
Haufler, C. H. 1985. Enzyme variability and modes of evolution in Bommeria(Pteridaceae).  Systematic Botany 10: 92-104.
Haufler, C. H.  1987.  Electrophoresis is modifying our concepts of evolution in homosporous pteridophytes.  Amer. J. Bot. 74: 953-966.
Haufler, C. H.  2002.  Homospory 2001:  An odyssey of progress in pteridophyte genetics and evolutionary biology.  Bioscience 52: 1081-1093.Haufler, C. H. and G.J. Gastony. 1978.  Antheridiogen and the breeding system in the fern genus Bommeria.  Canadian Journal of Botany 56: 1594-1601.
Haufler, C. H., E. A. Hooper, and J. P. Therrien.  2000.  Modes and mechanisms of speciation in pteridophytes:  implications of contrasting patterns in ferns representing temperate and tropical habitats.  Plant
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Haufler, C.H. D.E. Soltis and P.S. Soltis. 1995.  Phylogeny of the Polypodium vulgare complex: insights from chloroplast DNA restriction site data.  Systematic Botany 20: 110-119.
Haufler, C. H. and C. B. Welling.  1994.  Antheridiogen, dark spore germination, and outcrossing mechanisms in Bommeria (Adiantaceae).  Amer. J. Bot. 81: 616-621.
Hickok, L.G. 1979.  A cytological study of intraspecific variation in Ceratopteris.  Canadian Journal of Botany 16: 1694-1700.
Hickok, L.G. and E.J. Klekowski.  1974. Inchoate speciation in Ceratopteris: an analysis of the synthesized hybrid C. richardii  X C. pteridoides. Evolution 28: 439-446.
Hooper, E.A. and C.H.  Haufler, C.H. 1997.  Genetic diversity and breeding system in a group of neotropical epiphytic ferns (Pleopeltis; Polypodiaceae).   American Journal of Botany. 84: 1664-1674..
Howard, B. A. 1993.  Evolutionary relationships of cytotypes in the fern Asplenium trichomanes in eastern North America.  Unpublished M.S. thesis, University of Vermont.
Janzen, D.G. 1974. Epiphytic myrmecophytes in Sarawak: mutualism through the feeding by ants. Biotropica 6:237-259.
Kelloff, C.L., J. Skog, L. Adamkewicz, and C.R. Werth.  2002.  Differentiation of eastern North American Athyrium filix-femina taxa: evidence from allozyme and spores.  American Fern Journal 92:
Klekowski,  E. J. Jr. 1973.  Sexual and subsexual systems in homosporous pteridophytes: a new hypothesis.  American Journal of Botany 60: 535-544.
Klekowski,  E. J. Jr. 1973. Genetic load in Osmunda regalis populations. Amer. J. Bot. 60: 146-154. -
Klekowski,  E. J. Jr. 1976. Mutational load in a fern population growing in a polluted environment. Am. J. Bot. 63: 1024-1030.
Klekowski, E. J.Jr. & H. G. Baker. 1966. Evolutionary significance of polyploidy in the Pteridophyta. Science 153: 305-307.
Kreier, H.-P., M. Rex K. Weising, M. Kessler, A. R. Smith, and H. Schneider. 2008.  Inferring the diversification of the epiphytic fern genus Serpocaulon (Polypodiaceae) in South America using
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Lloyd, R.M. 1974. Mating systems and genetic load in pioneer and non-pioneer Hawaiian Pteridophyta. Bot. J. Linn. Soc, 69: 23-35.
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Paris, C.A. 1991. Adiantum viridimontanum, a new species of maidenhair fern in eastern North America. Rhodora 93:105-122.
Paris, C.A., F.S. Wagner, and W.H. Wagner, Jr. 1989. Cryptic species, species delimitation, and taxonomic practice in the homosporous ferns. Amer. Fern J. 79:46-54.
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Peck, J.H., C.J. Peck, and D.R. Farrar.  1990.  Influences of life history attributes on formation of local and distant fern populations.  American Fern Journal 80: 126-142.
Pryer, K.M. 1999. Phylogeny of Marsileaceous ferns and relationships of the fossil Hydropteris pinnata reconsidered.  International Journal of Plant Sciences 160: 931-954.
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