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Family: Ophioglossaceae
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Field Museum of Natural History - Botany Department | Z. R. Kachian : Field Museum of Natural Histor Field Museum of Natural History - Botany Department | Z. R. Kachian : Field Museum of Natural Histor Field Museum of Natural History - Botany Department | Z. R. Kachian : Field Museum of Natural Histor Field Museum of Natural History - Botany Department | Z. R. Kachian : Field Museum of Natural Histor |