| meadow spikemoss | (n) spikemoss forming dense mats; eastern North America, Syn. basket spikemoss, Selaginella apoda |
| rock spikemoss | (n) tufted spikemoss forming loose spreading mats; eastern North America, Syn. dwarf lycopod, Selaginella rupestris |
| spikemoss | (n) any of numerous fern allies of the genus Selaginella, Syn. little club moss, spike moss |