"112461987"@en-us . "13215936-n"^^ . "113215936"^^ . . . "Psilopsida"@en-us . . . "class Psilotatae"@en-us . "class Psilopsida"@en-us . . . "whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs"@en-us . . "Psilopsida"^^ . . . "0"^^ . . "109501160"@en-us . . . "0"^^ . . "Psilotatae"@en-us .