Ferns of North America

This guide shall serve as a base for those interested in the Pteridophyta division of plants! With any luck, this guide will help the reader understand and identify the ferns of North America.

One goal I have in my lifetime is to create a crossbreed of fern that hasn't yet been ...more ↓

California adder's-tongue
Ophioglossum californicum

northern adder's-tongue ¹
Ophioglossum pusillum

limestone adder's-tongue
Ophioglossum engelmannii

southern adder's-tongue ²
Ophioglossum vulgatum

bulbous adder's-tongue ³
Ophioglossum crotalophoroides

Ophioglossum crotalophoroides var. crotalophoroides
Ophioglossum crotalophoroides crotalophoroides

Ophioglossum crotalophoroides var. nanum
Ophioglossum crotalophoroides nanum

slender adder's-tongue ⁴
Ophioglossum nudicaule

ribbon fern
Ophioglossum pendulum

stalked adder's-tongue
Ophioglossum petiolatum

Ophioglossum polyphyllum

Edited by mycomedic

Photo Credits

1. (c) Superior National Forest, some rights reserved (CC BY)
2. (c) Emilio, some rights reserved (CC BY-NC-ND)
3. (c) Bob O'Kennon, some rights reserved (CC BY-NC), uploaded by Bob O'Kennon
4. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA)

Ferns of North America

California adder's-tongue Ophioglossum californicum

northern adder's-tongue 1 Ophioglossum pusillum

limestone adder's-tongue Ophioglossum engelmannii

southern adder's-tongue 2 Ophioglossum vulgatum

bulbous adder's-tongue 3 Ophioglossum crotalophoroides

Ophioglossum crotalophoroides var. crotalophoroides Ophioglossum crotalophoroides crotalophoroides

Ophioglossum crotalophoroides var. nanum Ophioglossum crotalophoroides nanum

slender adder's-tongue 4 Ophioglossum nudicaule

ribbon fern Ophioglossum pendulum

stalked adder's-tongue Ophioglossum petiolatum