Ophioderma (plant) explained

The genus Ophioderma are distinctive ferns (or fern-allies) in the family Ophioglossaceae. Ophioderma is closely related to, and sometimes treated as a subgenus of, the genus Ophioglossum. It includes the genus formerly known as Cheiroglossa. Recent genetic analysis has indicated that the two genera should be treated as one, and Ophioderma has precedence by being validly published at an earlier date. The type species is Ophioderma pendulum.

Phylogeny

Phylogeny of Ophioderma^{[1] [2]}

Unassigned species:^[3]

• Ophioderma intermedium (Hook.) Nishida
• Ophioderma simplex (Ridl. ex Bower) Nishida
• Ophioderma subsessile Amoroso & Coritico

References

• Hauk, Warren D., Clifford R. Parks and Mark W. Chasel. "Phylogenetic studies of Ophioglossaceae: evidence from rbcL and trnL-F plastid DNA sequences and morphology." Molecular Phylogenetics and Evolution, 28(1): 131-141. 2003.

Notes and References

1. Nitta . Joel H. . Schuettpelz . Eric . Ramírez-Barahona . Santiago . Iwasaki . Wataru . et al. . 2022 . An Open and Continuously Updated Fern Tree of Life . Frontiers in Plant Science . 13 . 909768. 10.3389/fpls.2022.909768 . 36092417. 9449725. free.
2. Web site: et al. . 2023 . Tree viewer: interactive visualization of FTOL . FTOL v1.6.0 [GenBank release 259] . 27 July 2024.
3. Web site: Hassler . Michael . 2004–2021 . Genus Ophioderma (Blume) Endlicher . World Ferns. Synonymic Checklist and Distribution of Ferns and Lycophytes of the World. Version 12.8 . 2021-12-22 .