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Selaginella rupestris (Selaginella sellowii)
Rosa acicularis
Petrified Wood, log section
Osmunda regalis
Ophioglossum vulgatum (Ophioglossum reticulatum)
Marsilea quadrifolia (Marsilea polycarpa), nearer view
Marsilea quadrifolia (Marsilea polycarpa)
Lycopodium obscurum
Lycopodium obscurum
Lycopodium complanatum, near view
Lycopodium complanatum
Lycopodium clavatum
Lycopodium annotinum
Listera cordata
Isoetes echinospora, Von Braunii
Isoetes
Habenaria hookeri (Platanthera hookeri)
Euphorbia marginata
Erythronium americanum
Equistetum limosum (Equisetum fluviatile)
Equisetum pratense
Equisetum palustre
Equisetum kansanum (Equisetum laevigatum)
Equisetum kansanum (Equisetum laevigatum)
Equisetum arvense, wall chart showing cross section of cone
Equisetum arvense, wall chart
Equisetum arvense diagram, wall chart of sporangia and spores
Equisetum arvense, cones
Crataegus macracantha leaf and fruit
Corylus americana fruit
Coptis trifolia
Coptis trifolia
Coptis trifolia
Coptis trifolia
Botrychium virginianum
Botrychium virginianum
Botrychium simplex
Athyrium thelypteroides (Deparia acrostichoides), near view
Athyrium thelypteroides (Deparia acrostichoides)
Asplenium pycnocarpum (Diplazium pynocarpon)
Aquilegia canadensis close up
Aquilegia canadensis close up
Anemone patens, var. wolfgangian close up
Anemone patens, var. wolfgangian close up