Gymnocarpium robertianum (Hoffm.) Newman
  • Phytologist

This taxon is accepted by Cystopteridaceae
Notes: More details could be found in The Plant List v.1.1. Originally in The Plant List v.1.0

General Description

"Much like no. 1 [Gymnocarpium dryopteris (L.) Newman] ; blade green, densely and finely glandular (as also the petiole), a little narrower, deltoid, to 14 × 16 cm; segments of the basal pinnae ovate-oblong, obtuse, sessile, the lowest basal one mostly less than a fourth as long as the main rachis; ultimate segments to 9 mm, with entire to crenate, mostly recurved margins; 2n=160 (ours). On calcareous rocks; circumboreal, s. to Pa., Mich., Io., and Ida. (G. jessoense; Dryopteris r.; Phegopteris r.)"


  • 1 "Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp."
  • 2 Phytologist

 Information From

World Flora Online Data. 2017.
  • A CC0 1.0 Universal (CC0 1.0).
New York Botanical Garden
Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
  • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
World Flora Online consortium
World Flora Online Data. 2017.
  • C CC0 1.0 Universal (CC0 1.0).