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Chuluota, Florida, United States
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Georgia, United States
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Tokyo, Tokyo Prefecture, Japan
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Hawaii, United States
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Juno Beach, Florida, United States
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Orinda, California, United States
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Macquarie Island
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Sugar Mountain, North Carolina, United States
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Singapore, North West, Singapore
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A relative of the ferns, native to tropical South America.Polypodiaceae. UC Berkeley Botanical Gardens.
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Queensland, Australia
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Polypodium glycyrrhizalicorice fern
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Woodstock, Vermont, United States
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This is a section of the rhizome of a fern, Pleopeltis percussa. To counter the fungal infection the cells produce lignin. Lignin makes the cell walls woody. With this strategy the plant tries to prevent the fungal infection to spread further.
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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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Tanah Rata, Pahang, Malaysia
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Polypodium hesperium Maxon20090616.17Wells Gray Park, BC
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Sabah, Malaysia
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St. Louis, Missouri, United States