''Selaginella erythropus'' is a species of spike moss in the family

Selaginellaceae ''Selaginella'', also known as spikemosses or lesser clubmosses, is a genus of lycophyte. It is usually treated as the only genus in the family Selaginellaceae, with over 750 known species. This family is distinguished from Lycopodiaceae (the ...

. It is native to Central and tropical South America, and may be native or introduced in the

West Indies The West Indies is an island subregion of the Americas, surrounded by the Atlantic Ocean, North Atlantic Ocean and the Caribbean Sea, which comprises 13 independent island country, island countries and 19 dependent territory, dependencies in thr ...

. It has been introduced to Tanzania. It grows up to in height, and the upper surface of the fronds is green and the underside is a bright, ruby red color. It likes plentiful water and humidity and enjoys temperatures of .

References

erythropus {{lycophyte-stub