Ophioglossum californicum
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| Ophioglossum californicum | |
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| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Pteridophyta |
| Class: | Psilotopsida |
| Order: | Ophioglossales |
| Family: | Ophioglossaceae |
| Genus: | Ophioglossum |
| Species: | O. californicum |
| Binomial name | |
| Ophioglossum californicum Prantl | |
Ophioglossum californicum is an uncommon species of fernlike plant in the family Ophioglossaceae known by the common name California adder's tongue. It is native to California and northern Mexico, where it is found in moist areas, such as wet pastures and vernal pools, becoming very rare in dry years. It is a small, fleshy perennial plant growing from a caudex no more than 1.5 centimeters wide. It produces one leaf per year. The leaf is divided into a thick, green blade-shaped part, which is sterile, and a fertile stalk lined with two rows of sporangia, the reproductive parts.
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