. . . "0"^^ . . . "Isoetales"@en-us . "112471770"@en-us . "113225729"^^ . "0"^^ . "13225729-n"^^ . "aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales"@en-us . "Isoetales"^^ . . . . "109510928"@en-us . . . "order Isoetales"@en-us . .