Ophioglossum vulgatum
English: Adder’s tongue.
Botany: Ophioglossaceae; Ophioglossales; Psilotopsida; Pteridophyta; Plants.
Genus: 112 species.
Chromosomes: Ophioglossum has the highest chromosome counts of any known plant; Ophioglossum reticulatum has ± 630 pairs of chromosomes.