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Related to Isoetaceae: quillworts
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|Noun||1.||Isoetaceae - quillworts; coextensive with the genus Isoetes|
fern family - families of ferns and fern allies
Isoetales, order Isoetales - aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales
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