Bryophyta -2

Mosses are small and generally grow in moist habitats.

However, some  colonize challenging habitats and are exposed to extreme conditions.

These are small plants & can be measured in centimeters.

They can be erect but many species are prostrate.

Haploid Spores

Produce Protonema (First Thread)
These produce

Caulonema (Shoot Thread)
which form

Buds
which develop into

Leafy Gametophores
which bear

Gametangia
The Gametophores are the plants we are accustomed to see.

Gametes

Syngamy

Sporophytes (Meiosis)

Spores

Polytrichum Sporophytes & Gametophores