Wildflowers & Ferns
Table of Contents
| Scientific Name | Common Name |
| Obolaria | Pennywort |
| Obolaria virginica | Pennywort |
| Oclemena | Nodding-aster |
| Oclemena acuminata | Whorled Aster |
| Oenanthe | Water-dropwort |
| Oenanthe javanica | Java Dropwort |
| Onoclea | Sensitive Fern |
| Onoclea sensibilis | Sensitive Fern |
| Ophioglossum | Adder's-tongue |
| Ophioglossum engelmannii | Limestone Adder's-tongue |
| Ophioglossum pycnostichum | Southern Adder's-tongue |
| Opuntia | Prickly-pear Cactus |
| Opuntia cespitosa | Eastern Prickly-pear |
| Opuntia humifusa | Devil's-tongue |
| Orbexilum | Sampson's-snakeroot |
| Orbexilum pedunculatum | Western Sampson's-snakeroot |
| Ornithogalum | Star-of-Bethlehem |
| Ornithogalum nutans | Drooping Star-of-Bethlehem |
| Ornithogalum umbellatum | Star-of-Bethlehem |
| Orontium | Golden Club |
| Orontium aquaticum | Golden Club |
| Osmorhiza | Sweet Cicely |
| Osmorhiza claytonii | Sweet Cicely |
| Osmorhiza longistylis | Anise-root |
| Osmunda | Royal, Interrupted Fern |
| Osmunda spectabilis | Royal Fern |
| Osmundastrum | Cinnamon Fern |
| Osmundastrum cinnamomeum | Cinnamon Fern |
| Oxypolis | Cowbane |
| Oxypolis rigidior | Cowbane |
Guide to the Wildflowers, Trees and Shrubs of North Georgia and Adjacent States
Web Page by Richard Ware
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