Lycopodium L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 2

3. Lycopodium L. 2

Leaves arranged spirally or in whorls, flat, linear to lanceolate, appressed or deflexed. Sporophylls quite different from leaves, broadly ovate to broadly lanceolate, with scarious, toothed margins. Sporangia opening at the apex; spores markedly muricate-reticulate. Prothallus holosaprophytic, disciform or tuberous, without appendages.

1 Spikespedunculate; sporophyllswitha longwhitehairatthe apex; leaves acute, apically prolonged as a long white hair

3. clavatum 1 Spikessessile; sporophyllsacute; leavesacuteoracuminate

2 Leaves 5-10 mm, acute, regularly toothed; branches 10-15 mm wide 1. annotinum 2 Leaves3 -7mm, acuminate,entire,rarelywitha few teeth; branches 3-7 mm wide 2. dubium