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Botrychium matricariifolium - (image 1 of 3)

Taxonomy

Family: Ophioglossaceae

Habitat

Woods, thickets, old fields, in subacid to acid soil.

Associates

Distribution

Circumboreal, in North America from Newfoundland to Alberta, south to NJ, MD, VA, NC, TN, northern OH, WI, SD, and CO.

Morphology

Trophophore blade dull green, submembranous, oblong to ovate in outline, 1-3 pinnate, to 10 cm, usually stalked (0-5 mm); apex of the blade reflexed and clasping the erect sporophore in bud; pinnae 2-7 pairs, subopposite, obtuse or acutish, obstusely sublobate or again pinnatifid  with obtusely lobed segments; sporophote 1-3-pinnate, 3-12+ cm on a stalk 1-4 cm.

Notes

Spores produced June to August

Wetland category: NA

New leaves emerge in spring and senesce by late summer.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY

Wagner, W.H, Jr. and Wagner, F.S. 1993. Botrychium. In: Flora of North America North of
Mexico, Vol. 2. Oxford University Press, New York and Oxford.

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