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Anemone patens, var. wolfgangian close up
Anemone patens, var. wolfgangian close up
Aquilegia canadensis close up
Aquilegia canadensis close up
Asplenium pycnocarpum (Diplazium pynocarpon)
Athyrium thelypteroides (Deparia acrostichoides)
Athyrium thelypteroides (Deparia acrostichoides), near view
Botrychium simplex
Botrychium virginianum
Botrychium virginianum
Coptis trifolia
Coptis trifolia
Coptis trifolia
Coptis trifolia
Corylus americana fruit
Crataegus macracantha leaf and fruit
Equisetum arvense, cones
Equisetum arvense diagram, wall chart of sporangia and spores
Equisetum arvense, wall chart
Equisetum arvense, wall chart showing cross section of cone