Asplenium ebenoides (R. R. Scott.) Reported from Jackson county, Ill.,
but without further reference in _Fern Bulletin_, vol. V., p. 13.
Asplenium Trichomanes (L.) "On shaded rocks, Jackson and Union counties,
_French_; Wabash, _Schneck_." (P.) Southern Illinois. _Vasey._
Starved Rock, two plants. _Ferriss._
Athyrium filix-foemina (L.) Frequent in rich, moist woods in Cook and
adjoining counties, as well as throughout the state as given by
_Patterson_, Peoria, _Brendel_; Jackson, _Saml. Bartley_;
Henderson, _Patterson_; Ravinia, Willow Springs, Cook county,
_Prince_.
Athyrium thelypteroides (Michx.) "Near Glencoe, Cook county." _Higley_
_Raddin_; "Peoria and Fulton counties, _Brendel_ and _Wolff_;
Wabash, _Schneck_." (P.) Joliet, rare; Starved Rock abundant,
_Ferriss_.
Camptosorus rhyzophyllus (L.) On outcrops of limestone in the Desplaines
valley in Cook and Will counties from Sag Bridge to Joliet.
Abundant at Dellwood Park and in one locality at Sag Bridge,
infrequent elsewhere. "Shaded rocks throughout but scarce." (P.)
Jo Daviess county, _Pepoon_.
Phegopteris hexagonoptera (Michx.) "Rich open woods and shaded ravines,
chiefly in the northern portion of Cook county; infrequent."
_Higley_ and _Raddin_ (1891.) Peoria, _Brendel_; Henderson,
_Patterson_; Jackson, _Bartley_; Joliet and Starved Rock,
_Ferriss_. Patterson reports "frequent" throughout.
Phegopteris polypodioides (Fée.) Starved Rock, La Salle county, "Menard
county, _Hall_." (P.)
Nephrodium noveboracense (L.) "Elgin, Kane county, _Vasey_; Wabash,
_Schneck_, Swamps, scarce." (P.)
Nephrodium Thelypteris (L.) Frequent or often abundant in swampy, wooded
ground or open marshes, in Cook, Lake, Dupage, Will and Kankakee
counties, Peoria, _Brandel_; Starved Rock, _Clute_. Frequent
throughout the state according to Patterson.
Nephrodium cristatum (Michx.) Starved Rock, rare, _Ferriss_.
Nephrodium Goldieanum (Hook.) "Rich Woods, Peoria and Fulton counties,
_Brendel_, _Wolff_; Makanda, Jackson county, _Forbes_," (P.) Will
county, La Salle county, _Ferriss_.
Nephrodium marginale (L.) Rocky bluffs, Starved Rock, La Salle county,
Southern Illinois, _Vasey_. "Scarce" for the state. (P.)
Nephrodium spinulosum intermedium (Muhl.) Frequent in rich woods in the
northeastern counties, Starved Rock, _Clute_. Patterson says
"infrequent" for the state.
Polystichum acrostichoides (Michx.) Will county, "north part of Cook
county," _Higley_ and _Raddin_; Henderson, _Patterson_; Peoria,
_Brendel_; Jackson, _Bartley_. For the state, "infrequent." (P.)
The variety _incisum_ is occasionally reported.
Cystopteris bulbifera (L.) Frequent on shelves and in crevices of
limestone cliffs and shady ravines in the Desplaines valley in
Cook and Will counties, and in Kankakee county, Henderson,
_Patterson_, Peoria, _Brendel_; Starved Rock, abundant, _Clute_.
Patterson reports for the state, "shaded rocks, frequent."
Cystopteris fragilis (L.) Rather frequent in rich woods and occasionally
on rocks in Cook, Lake, Dupage, Will and Kankakee counties;
Henderson, _Patterson_; Peoria, _Brendel_; Jackson, _Bartley_.
"Common" for the state. (P.) Very variable in its forms.
Woodsia obtusa (Spreng.) Scarce on limestone rocks at Lemont, Cook
county, abundant on sandstone at Oregon, Ogle county, "Marion
county, _Bebb_; Wabash, _Schneck_; and southward." (P.) Joliet,
Will county, _Ferriss_.
Woodsia ilvensis (L.) "On sandstone cliffs near Oregon, Ogle county,
_Bebb_." (P.)
Onoclea sensibilis (L.) Common in wet woods and swamps in the
northeastern counties. Peoria, _Brendel_; Jackson, _Bartley_. For
the state "common." (P.)
Onoclea struthiopteris (L.) Wet shades, Starved Rock, La Salle county,
Henderson, _Patterson_; Peoria, _Brendel_; Fulton, _Wolff_. For
the state "infrequent." (P.)