Adiantum pedatum (L.) Common throughout the state in rich woods.
Polypodium vulgare (L.) On cliffs of sandstone, La Salle and Ogle
counties. "Common in Jackson and Union, _French_, _Forbes_." (P.)
Polypodium polypodioides (L.) Common throughout the state in rich woods.
Pteris aquilina (L.) Copses and borders of dry woods. Frequent, or
abundant in localities northeast. Starved Rock, La Salle county,
Peoria, _Brendel_, Henderson, _Patterson_, Shelby, _Mary Evertz_.
"Common." for the state. (P.) Rare in Will county in the prairie
region. _Clute._
Cheilanthes lanosa (Michx.) "Rocks, St. Clair county, _Brendel_, and
southward." (P.)
Cheilanthes Feei (Moore.) Limestone cliffs by Mississippi river, Carroll
county, "near Galena, _Brendel_; Pike county, _Mead_; Jackson,
_French_." (P.)
Pellaea atropurpurea (L.) Frequent on cliffs of limestone along the
Desplaines river and its tributaries from Sag Bridge, Cook county,
to Joliet, Will county, and in Kankakee and Carroll counties.
Scarce on cliffs of sandstone, Oregon, Ogle county. Henderson
county, _Patterson_; Kane county, _W. J. Minium_; Wedron, La Salle
county, _Ferriss_. Reported for the state as general but
"infrequent" in Patterson's catalogue.
Pellaea gracilis (Michx.) Rare in thin soil in shelves of shaded and
usually moist calcareous rocks. Sag Bridge and Lemont, Cook
county, and Bounbonnais, Kankakee county. On moist sandstone
rocks, Liberty Hill, Oregon, Ogle county; limestone, Aurora, Kane
county; sandstone, Sheridan, La Salle county, _Ferriss_.
Asplenium angustifolium (Michx.) Henderson. _Patterson_, Peoria,
_Brendel_ "Rich woods, scarce for the state." (P.) Joliet rare,
Starved Rock more common. _Ferriss._
Asplenium pinnatifidum (Nutt.) "On rocks, Jackson and Union counties,
_French_; Pope, _Schneck_." (P.)