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GUIDE
56. NORTHERN WOODSIA
Woodsia hyperborea
Very small, smooth or nearly so, fronds narrowly oblong-lanceolate, once-pinnate, pinnæ cordate-ovate or triangular-ovate, 5–7 lobed. On moist rocks. P. 203.
57. SMOOTH WOODSIA
Woodsia glabella
Very small, smooth throughout and delicate, fronds linear, once-pinnate, pinnæ roundish ovate, lobed. On moist rocks. P. 206.
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