These are the only land plants with a dominant gametophyte, and they form root-like projections called rhizoids.
The prime example of these organisms was named by Linnaeus when he saw Laplanders using it to caulk chimneys. The Kashyap is an endangered version of this type of organism found on muddy slopes in India, and Asterella fall into the subgroup Marchantiophyta. That class of these organisms is further divided into simple and complex (*) thalloids. These are the only land plants with a dominant gametophyte, and they form root-like projections called rhizoids. They rarely grow beyond 2cm, as they require water to sexually reproduce. Also coming in sporophyte varieties, this is, for 10 points, what oldest group of land plants on earth which includes liverworts and mosses?
The prime example of these organisms was named by Linnaeus when he saw Laplanders using it to caulk chimneys.
{Bryophyte}s [accept {liverwort}s until “subgroup”;accept {Bryophyta}]