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Orinda, California, United States
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Hawaii, United States
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Orinda, California, United States
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Sugar Mountain, North Carolina, United States
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Polypodium glycyrrhizalicorice fern
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Woodstock, Vermont, United States
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2010.06.13 Lower Austria, Hollabrunn/Thaya National Park (320 m AMSL).Sporangia (depending on species) in summer or fall.German name: TpfelfarnID: Fischer & al., Exkursionsflora (2008 3rd): I cannot determine beyond the species aggregate P. vulgare agg. - there are two possibles: P. vulgare s. str. and P. interjectum (or a hybrid of both); to decide which one sporangia (and possibly a microscope) would be necessary.
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Polypodium hesperium Maxon20090616.17Wells Gray Park, BC
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Orinda, California, United States
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Orinda, California, United States
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Orinda, California, United States
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Rock polypodyPolypodiaceae (Polypod fern family)Mohonk Preserve, Shawangunk Mountains, New York
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Details of the vascular bundles. Each vascular bundle is surrounded by a bundle sheath (brown).
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Alos De Balaguer, Catalonia, Spain
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Orinda, California, United States
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Rock polypodyPolypodiaceae (Polypod fern family)Mohonk Preserve, Shawangunk Mountains, New York
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2011-10-23 Lower Austria, district Melk - Ysperklamm (630 msm Quadrant 7656/3).German name: Gewhnlich-Tpfelfarn, Engelsss
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Cerveteri, Lazio, Italy
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Orinda, California, United States
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Woodstock, Vermont, United States
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This is a cut of a fern frond. On the outside are lignified cells (red) to give the fern frond stability. Inside (green, white) is the pulp. There are two vascular bundles. Each vascular bundle is surrounded by a bundle sheath (brown).
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Cerveteri, Lazio, Italy
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Polypodium glycyrrhizalicorice fern