limestone adder's-tongue (Ophioglossum engelmannii)
Ophioglossum engelmannii is a small, terrestrial perennial fern common in calcareous soils of the southern U.S. and Mexico. It has an ovate sterile blade and an erect.
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Synonyms
Whittieria engelmannii (Prantl) Li Bing Zhang, Liang Zhang & Xia Wan
Taxonomy
- kingdomPlantae
- divisionTracheophyta
- classPolypodiopsida
- orderOphioglossales
- familyOphioglossaceae
- genusOphioglossum
- speciesOphioglossum engelmannii