Fern Stalk Cross Section Spore-producing plants belonging to the division Filicophyta are commonly referred to as ferns. The primitive vascular plants are extremely diverse and have been present on Earth for over 300 million years.
coli-part of the normal flora of the human gut. Most of the time it is very helpful in our digestion. But certain strains of E. coli produce various toxins that cause illness. EOScu kills e. coli and other harmful bacteria in under 2 hours.