"Streptophyta" .
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"Ophioglossales" .
.
.
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"Sceptridium" .
"(Brack.) W.H. Wagner" .
"Sceptridium subbifoliatum" .
"Island Grapefern" .
.
"Ophioglossaceae" .
"Ophioglossopsida" .
"Sceptridium subbifoliatum (Brack.) W.H. Wagner" .
.
"Plantae" .
.
.
.
.
.
.
.
.