Lycopodium and Lycopodiella
- Several photographs of these clubmosses growing in their natural habitat in Hawaii.
- http://jupiternielsenflameworking.com/hawaiianflora/wawae_iole.html

Marsh Clubmoss: Lycopodium inundatum
- Description of this species, also known as Lycopodiella inundata or Lepidotis inundata, and several photographs.
- http://www.plant-identification.co.uk/skye/lycopodiaceae/lycopodiella-inundata.htm

Stagshorn Clubmoss: Lycopodium clavatum
- Several photographs of this distinctive species, and its identifying features.
- http://www.plant-identification.co.uk/skye/lycopodiaceae/lycopodium-clavatum.htm

Lycopodium obscurum
-
- http://clearlight.com/~mhieb/WVFossils/Lycopodium_obsc.html

Lycopodium sp.
- microscopic image
- http://www.dipbot.unict.it/sistematica/Lycop_st.html

Lycopodium clavatum
- image
- http://www.dipbot.unict.it/sistematica/Lycop_cl.html

Lycopodium taxifolium
-
- http://florawww.eeb.uconn.edu/acc_num/198500915.html

Lycopodium squarrosum
-
- http://florawww.eeb.uconn.edu/acc_num/198500912.html

Lycopodium venustulum
- image
- http://www.botany.hawaii.edu/faculty/carr/images/lyc_ven.jpg