lesser clubmoss noun1 •Selaginella selaginoides, a vascular plant of the family Selaginellaceae that resembles moss and is widely distributed in the Northern Hemisphere.Similarly, the grassland at Sheskinmore contains thirteen of the Bunduff site constant species, with only bog pimpernel and lesser clubmoss being absent, perhaps excluded by the longer sward […] — 2005 formslesser clubmosses