On Dec 2, 2007, macybee from Deer Park, TX (Zone 9a) wrote:
Widespread throughout most moister regions of the world, the 100 or more species in this genus are an ancient group of plants whose larger ancestors, along with those of the horsetails (Equisetum), dominated the world's vegatation around 250 million years ago. Considered more primitive than the ferns but more advanced than the mosses, they range from tiny thread-stemmed plants that grow in boggy ground below heath, to large epiphytes that form curtains of ferny foliage on the limbs of tropical rainforest trees. All share similar cord-like stems clothed with overlapping, bright green or golden-green scale-like leaves. Club mosses do not flower but instead bear tiny spore capsules between the scales of delicate small cones (strobili).
Only the epiph... read more