<Table> <Tr> <Td> </Td> <Td> <P> Pteridopsida (true ferns) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <P> Marattiopsida </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <P> Equisetopsida (horsetails) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <P> Psilotopsida (whisk ferns & adders' - tongues) </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> <P> Cladoxylopsida † </P> </Td> </Tr> <Tr> <Td> </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> <P> Pteridopsida (true ferns) </P> </Td> </Tr> <P> Pteridopsida (true ferns) </P> <Tr> <Td> </Td> <Td> <P> Marattiopsida </P> </Td> </Tr>

What are some characteristics of the kingdom plantae