| Lycopodium clavatum 
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| Scientific classification | 
| Kingdom: | Plantae | 
 
| Clade: | Tracheophytes | 
 
| Clade: | Lycophytes | 
 
| Class: | Lycopodiopsida | 
 
| Order: | Lycopodiales | 
 
| Family: | Lycopodiaceae | 
 
| Genus: | Lycopodium | 
| Species: | L. clavatum | 
| Binomial name | 
| Lycopodium clavatum 
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| Synonyms | 
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Lepidotis ciliata P. Beauv.
Lepidotis clavata (L.) P. Beauv.
Lepidotis inflexa P. Beauv.
Lycopodium aristatum Humb. & Bonpl. ex Willd.
Lycopodium ciliatum (P. Beauv.) Sw. 
Lycopodium eriostachys Fée
Lycopodium inflexum (P. Beauv.) Sw.
Lycopodium piliferum Raddi
Lycopodium preslii Grev. & Hook.
Lycopodium trichiatum Bory
Lycopodium trichophyllum Desv.
Lycopodium contiguum Klotzsch 
Copodium oxynemum Raf.  
Lycopodium divaricatum Wall. ex Hook. & Grev.
Lycopodium kinabaluense Ching
Lycopodium serpens C. Presl 1825, not Desv. ex Poir. 1814  
Lycopodium tamariscispica Cesati
Lycopodium torridum Gaudich.
Urostachys plutonis Herter
Lycopodium trichophyes Sprengel
Lycopodium mayoris Rosenstock
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Lycopodium clavatum (common club moss, stag's-horn clubmoss, running clubmoss, or ground pine) is the most widespread species in the genus Lycopodium in the clubmoss family.