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blade itself, this may affect the form of the frond itself. In some species of ferns, there is virtually no difference between the fertile and sterile fronds, such as in the
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and Kramer all stated that the importance can only be judged in relation to other characteristics.
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Pteridology in the New
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have evolved the condition, suggesting a possible close relationship between
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Ferns and allied plants with special reference to tropical
America
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exhibit a propensity towards dimorphy, while no member of the
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for example, considered it taxonomically important, whereas
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is strongly dimorphic, and only some representatives of the
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Rohwer, J. G.; et al. (1990). Klaus
Kubitzki (ed.).
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156:(Christmas fern), or some ferns of the genus
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340:The families and genera of vascular plants
180:(Cinnamon fern), or plants of the family
106:Learn how and when to remove this message
250:S. Chandra; M. Srivastava, eds. (1990).
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44:adding citations to reliable sources
305:Tryon, R. M.; Tryon, A. F. (1982).
222:Its importance has been disputed -
287:Genera Filicum-the genera of ferns
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125:between the fertile and sterile
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153:Polystichum acrostichoides
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129:. Since ferns, unlike
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40:improve this article
348:Springer Publishing
315:Springer Publishing
262:Springer Publishing
344:New York, New York
311:New York, New York
264:. pp. 33–34.
258:New York, New York
177:Osmunda cinnamomea
55:"Frond dimorphism"
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96:December 2012
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38:Please help
33:verification
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217:Blechnaceae
213:Onocleaceae
202:Athyriaceae
196:Blechnaceae
190:Onocleaceae
182:Onocleaceae
324:038790672X
234:References
171:Woodwardia
147:Dryopteris
66:newspapers
362:Category
224:Copeland
165:Blechnum
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159:Osmunda
137:on the
133:, bear
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135:spores
127:fronds
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368:Ferns
143:genus
123:ferns
87:JSTOR
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