Robert W. Freckmann Herbarium

Ophioglossaceae: Grape Fern

Plants reproduce by spores (without embryo or true flower). Leaves (fronds) not closely overlapping; or if narrow and slightly overlapping, then have no axillary spore cases. Wall of spore case several layers thick. Frond with spores very different from one without.
Flora of North America: Discussion, key to genera (opens new window)
Flower Formula:   Glossary

Genus 
(Click for Taxon List)
WI Taxa
(map link)
Photo Genus Traits Google Searches
Botrychium
grape fern, moonwort
14 Photo of Botrychium Leaf blades mostly lobed or compound. Images   Information
Ophioglossum
adder's-tongue
1 Photo of Ophioglossum Leaf blades simple and entire. Images   Information


         
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