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In mosses (bryophytes) the gametophyte is the commonly known phase of the plant. An early developmental stage in the gametophyte of both mosses and ferns (immediately following the meiospore) is called the Protonema.
In most other plants the gametophyte is very small (as in ferns) or even reduced as in flowering plants (angiosperms), where the female form (ovule) is known as a megagametophyte and the male form (pollen) is called a microgametophyte.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Gametophyte". A list of authors is available in Wikipedia.|