Search for class Polypodiopsida returned 17,147 results.

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Species (14,497)
Variety (1,004)
Genus (922)
Subspecies (455)
Form (95)

Family (89)
Unranked (74)
Order (11)

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genus: Protocalamites Goebel, 1906

Kingdom: Plantae
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genus: Thylacopteris Kunze ex J.Sm.

Kingdom: Plantae
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- Occurrences: 10
genus: Syngramma J.Sm.

Kingdom: Plantae
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- Occurrences: 31
genus: Metacalamostachys M.Hirmer, 1927

Kingdom: Plantae
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- Occurrences: 4
genus: Chlamidostachys White, 1937

Kingdom: Plantae
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genus: Physematium Kaulf.

Kingdom: Plantae
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- Occurrences: 198
genus: Clavifera N.A.Bolchovitina, 1966

Kingdom: Plantae
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genus: Calamites Sternberg, 1820

Kingdom: Plantae
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- Occurrences: 3
genus: Marsileaceaephyllum N.S.Nagalingum, 2007

Kingdom: Plantae
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genus: Calamodendrostachys B.Renault, 1890

Kingdom: Plantae
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