Asplenium spp.
Family: Aspleniaceae
Asplenium image
© Forest & Kim Starr  
Petiole mostly wiry, green to black, sparsely scaly, otherwise glabrous, with 2 bundles below, these united above into a single bundle mostly X- shaped in section; lvs clustered, the blade simple and entire to thrice pinnate; veins free except in A. rhizophyllum; sori on the lower lf-surface, ±elongate, the indusia attached at one side, all facing distally, thin and hyaline, glabrous, entire; mostly ±evergreen ferns with short-creeping to suberect rhizomes and membranous to coriaceous lvs. 600+, mostly warm reg. (Camptosorus) Our spp. produce ±sterile hybrids and also enter into a large polyploid complex. The following names are believed to apply to sterile hybrids, as indicated:

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Image of Asplenium achilleifolium
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Image of Asplenium adiantoides
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Image of Asplenium adulterinum
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Image of Asplenium austrochinense
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Image of Asplenium bipartitum
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Image of Asplenium biscayneanum
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Image of Asplenium corderoanum
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Image of Asplenium crinicaule
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Image of Asplenium crytopteron
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Image of Asplenium cultrifolium
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Image of Asplenium curtissii
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Image of Asplenium dimidiatum
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Image of Asplenium dissectum
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Image of Asplenium ensiforme
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Image of Asplenium erosum
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Image of Asplenium excisum
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Image of Asplenium feei
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Image of Asplenium flabellulatum
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Image of Asplenium flaccidum
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Image of Asplenium foresiense
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Image of Asplenium fragile
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Image of Asplenium gemmiferum
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Image of Asplenium incisum
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Image of Asplenium integerrimum
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Image of Asplenium kaulfussii
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Image of Asplenium loxoscaphoides
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Image of Asplenium lunulatum
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Image of Asplenium macraei
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Image of Asplenium megalura
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Image of Asplenium myriophyllum
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Image of Asplenium nitidulum
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Image of Asplenium obtusifolium
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Image of Asplenium ocoense
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Image of Asplenium oligolepidum
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Image of Asplenium parvulum
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Image of Asplenium pekinense
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Image of Asplenium plenum
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Image of Asplenium praegracile
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Image of Asplenium pycnocarpon
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Image of Asplenium regulare
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Image of Asplenium rhomboidale
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Image of Asplenium robustum
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Image of Asplenium salicifolium
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Image of Asplenium sanguinolentum
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Image of Asplenium sarelii
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Image of Asplenium semipinnatum
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Image of Asplenium sintenisii
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Image of Asplenium speluncae
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Image of Asplenium sulcatum
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Image of Asplenium thelypterioides
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Image of Asplenium triphyllum
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Image of Asplenium uhligii
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Image of Asplenium viviparum
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Image of Asplenium volkensii
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Image of Asplenium wrightii
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Image of Asplenium x alternifolium
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Image of Asplenium x biscayneanum
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Image of Asplenium x biscaynianum
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Image of Asplenium x curtissii
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Image of Asplenium x ebenoides
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Image of Asplenium x kentuckiense
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Image of Asplenium x wherryi
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Image of Asplenium × biscayneanum
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Image of Asplenium × ebenoides
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Image of Asplenium × herb-wagneri
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Image of Asplenium × kentuckiense
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