- Diphasiastrum alpinum — alpine clubmoss
- Diphasiastrum complanatum — trailing clubmoss
- Diphasiastrum digitatum — fan clubmoss
- Diphasiastrum sabinifolium — ground-fir
- Diphasiastrum sitchense — Alaskan clubmoss
- Diphasiastrum tristachyum — deeproot clubmoss
- Diphasiastrum x habereri
- Diphasiastrum x zeilleri
- Huperzia appressa — Appalachian fir-clubmoss
- Huperzia chinensis — Chinese clubmoss
- Huperzia haleakalae — Haleakalā fir-clubmoss
- Huperzia lucidula — shining clubmoss
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- Huperzia occidentalis — western shining clubmoss
- Huperzia porophila — rock clubmoss
- Huperzia selago — fir clubmoss
- Huperzia x buttersii — Butters' clubmoss
- Lycopodiella appressa — southern bog clubmoss
- Lycopodiella inundata — bog clubmoss
- Lycopodium annotinum — stiff clubmoss
- Lycopodium clavatum — running-pine
- Lycopodium dendroideum — treelike clubmoss
- Lycopodium hickeyi — Hickey's clubmoss
- Lycopodium lagopus — one-cone ground-pine
- Lycopodium obscurum — tree clubmoss
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