Leaf primordia with scattered hairs, hairs 0.6–1 mm. Leaf sheath closed. Pinna divisions reduced to tip. First pinnule on basal pinnae usually borne basiscopically
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cross section. Blade ovate-lanceolate, 1-pinnate, with a ± similar apical pinna, papery. Pinnae not articulate to rachis, segment margins serrulate to spinulose;
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without unconnected false veins. Soral involucres terminal on vein ends at pinna apices, broadly conic and flaring at mouth. Gametophytes composed of proximal
3 KB (254 words) - 21:25, 5 November 2020
notched, bearing proliferous bud. Veins free, obscure. Sori 1–4 pairs per pinna, on both basiscopic and acroscopic sides. Spores 64 per sporangium. 2n =
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margins crenate-serrate; apex obtuse. Veins free, obscure. Sori 3–7 pairs per pinna, on both basiscopic and acroscopic sides. Spores 64 per sporangium. Habitat:
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to crenate, lobed; apex obtuse. Veins free, evident. Sori 3–6 pairs per pinna, on both basiscopic and acroscopic sides of pinnae. Spores 64 per sporangium
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and 2d pinnae only slightly greater than between 2d and 3d pairs, basal pinna pair usually considerably larger than adjacent pair, obliquely rhomboidal
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1st and 2d pinnae not or slightly more than between 2d and 3d pairs, basal pinna pair approximately equal in size and cutting to adjacent pair, broadly fan-shaped
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margins lobed or serrate; apex obtuse. Veins free, obscure. Sori 2–6 pairs per pinna, on both basiscopic and acroscopic sides. Spores 64 per sporangium. Habitat:
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near segment margin. > 4 4 Pinna costae distinctly flexuous; branches arising from prominent angles. Argyrochosma fendleri 4 Pinna costae straight or nearly
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whitish farina, adaxially glabrous or glandular; rachis rounded adaxially. Pinna costae distinctly flexuous, branches arising from prominent angles. Ultimate
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margins ciliate-dentate to entire. Leaves 10–50 cm. Blade pinnate-pinnatifid, pinna pairs 20–45. Pinnae ovate to deltate, largest 7–15 mm, usually symmetrically
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pinnules narrow, not auriculate. Veins free, evident. Sori 4–9(–10) pairs per pinna, subcostal, nearly parallel to costae on both basiscopic and acroscopic sides
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acute or rounded. Veins free, barely evident. Sori 3 to numerous pairs per pinna, on both basiscopic and acroscopic sides. Spores 64 per sporangium. 2n =
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rachis glabrous or with occasional glandular hairs, adaxial surface glabrous. Pinna apex entire, rounded. Proximal pinnae 3–10 cm, ± perpendicular to rachis
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coarsely incised; apex acute. Veins free, evident. Sori 1–numerous pairs per pinna [1–6 pairs per segment], on both basiscopic and acroscopic sides. Spores
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1st and 2d pinnae frequently greater than between 2d and 3d pairs, basal pinna pair commonly much larger and more complex than adjacent pair, cuneate to
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with apical pinna similar to lateral pinnae and 1/2 to nearly equaling longest lateral pinna; buds often present at base of proximal pinna. Pinnae to 20
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44-52 µm; largest pinnae divided into 3-7 pairs of closely spaced pinnules, pinna apices usually abruptly tapered to rounded. Woodsia neomexicana 9 Translucent
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1st and 2d pinnae not or slightly more than between 2d and 3d pairs, basal pinna pair approximately equal in size and cutting to adjacent pair, fan-shaped
3 KB (287 words) - 21:23, 5 November 2020