Botrychium biternatum (Sav.) Underw.

• Authority

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

• Family

  Ophioglossaceae

• Scientific Name

  Botrychium biternatum (Sav.) Underw.

• Description

  Species Description - Blade not strongly dissected, mostly bipinnate, the terminal segment of the principal divisions tending to be more elongate and less divided than the other segments; major lateral segments tending to be oblong; ultimate segments ± cuneate at base; otherwise much like the less-dissected forms of no. 8 [Botrychium dissectum Spreng.]. 2n=90. Woods, swamps, and old fields; se. U.S., n. to Md., Ind., and Mo. Sept.–Nov. (B. dissectum var. tenuifolium)

• Common Names

  sparse-lobed grape-fern