Cystopteris tenuis (Michx.) Desv.

• Region

  North America

• Country

  United States of America

• State/Province

  Illinois

• County/Municipio

  LaSalle Co.

• Locality

  North side of Illinois Route 71, east of LaSalle Canyon, Starved Rock State Park.

• Elevation

  Alt. 165 m. (541 ft.)

• Coordinates

  41.3104, -88.9716

• Distribution

  Map all specimens of this taxon

PLANTS OF ILLINOIS, USA
Cvstopteris tenuis (Michx.) Desv.
Dryopteridaceae
Del.: R. Moran. (NY) 2003
LA SALLE COUNTY 41°18’ 37.35” N. Lat. 088° 58’
17.69” W. Long. T. 33N, R. 2E. NW1/4 SW1/4 SW1/4
SECT. 23 North side of Illinois Route 71, east of LaSalle
Canyon. Starved Rock State Park. Elevation about 540
feet. Moist, vertical sandstone outcrop, ledges, thin soil;
St. Peter's Sandstone.
Moist, shaded sandstone cliffs, with mosses,
Dryopteris marginalis, Aralia nudicaulis, Impatiens
pallida, Leersia virginica, Pilea pumila, Saxifraga
pensylvanica. Local fern with nearly black (purplish)
stipes; in sandy humus in crevices of sandstone cliffs of
canyon.
Steven R. Hill 35250
19 June 2003
02530142