Botrychium oneidense - (image 1 of 3)
Taxonomy
Family: Ophioglossaceae
Habitat
Moist acidic woods and swamps.
Associates
Distribution
New Brunswick to Ontario and MN, south to NC and IN.
Morphology
Trophophore blade leathery, persistently dull bluish green, 2-3-pinnate; major segments ovate; ultimate segments obtuse or rounded.
Notes
Spores produced late summer to fall
Wetland category: NA
Similar to the less-dissected form of B. dissectum but with more blunt segments and a blade that remain green during the winter. The leaves of B. dissectum tend to turn a bronze color in winter if exposed.
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.
|
© Michael Hough 2018 |