| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Selaginellaceae | Bryodesma acanthonota | Spiny Spikemoss, Sand Spikemoss | Longleaf pine sandhills, Altamaha Grit glades. | Se. NC south to s. FL, west to w. Panhandle FL. |  |
| Selaginellaceae | Bryodesma arenicola | Sand Spikemoss | Florida scrub, longleaf pine sandhills. | E. GA south to s. FL, se. GA, and e. Panhandle FL. |  |
| Selaginellaceae | Bryodesma corallinum | Riddell’s Spikemoss | Dry sands (longleaf pine sandhills, etc.), granite outcrops, sandstone outcrops, Altamaha grit glades. | E. and c. GA west to AR, s. OK, and c. TX. |  |
| Selaginellaceae | Bryodesma peruvianum | Peruvian Spikemoss | On rock or gravelly soil. | OK and nc. TX (Comanche County, in the Cross Timbers and Prairies) and NM south into n. Mexico; disjunct in Argentina, Bolivia, and Peru. |  |
| Selaginellaceae | Bryodesma rupestre | Rock Spikemoss | Granite flatrocks, other, mostly acidic, rock outcrops, occasionally on greenstone or calcareous shales. | S. Greenland and NS west to BC, south to GA, AL, AR, OK, and WY. Reports for KY are unconfirmed. |  |
| Selaginellaceae | Bryodesma tortipilum | Twisted-hair Spikemoss | Rock outcrops, especially at high elevations. | Endemic to the Southern Appalachians (rarely into the Piedmont) of NC, SC, and GA. Occurring close to TN and VA; it should be sought there. |  |
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