Elaphoglossum dimorphum, the toothed tongue-fern, is a species of herbaceous epiphytic fern in the Dryopteridaceae family.
Distribution The species is endemic to Saint Helena.
Taxonomy It was first described as Acrostichum dimorphum by Joseph Dalton Hooker and Robert Kaye Greville in 1829. In 1857 Thomas Moore placed the species in genus Elaphoglossum as E. dimorphum.
References
External links
https://www.cabi.org/isc/datasheet/121638 https://www.researchgate.net/figure/The-three-species-of-Elaphoglossum-endemic-to-St-Helena-Island-E-dimorphum-A-Habit_fig3_225789189 https://www.jstor.org/stable/40648181