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The microspore has three different types of wall layers. The outer layer is called the perispore, the next is the exospore, and the inner layer is the endospore.The perispore is the thickest of the three layers while the exospore and endospore are relatively equal in width.
Selaginella moellendorffii is a lycophyte that is an important model organism, especially in comparative genomics. S. moellendorffii is a member of an ancient vascular plant lineage that first appeared in the fossil record some 400 million years ago. They would later form a dominant part of the world's flora during the Carboniferous period.
Selaginella canaliculata Selaginella selaginoides Selaginella willdenowii is known for its iridescent colours. There are about 750 known species of Selaginella. [21] They show a wide range of characters; the genus is overdue for a revision which might include subdivision into several genera. [citation needed] Species of spikemoss include:
Selaginella bifida is a lycophyte native to Rodrigues Island in the Mascarene Islands. It was found firstly in 1991 on the Mont Limon at 20–150 m high and was confused with S. rodrigueziana Baker because of their strong phenotypical homologies. However, fastidious studies in 2009 highlight ciliate lateral leaf margins on several specimens and ...
Selaginella plana, commonly known as the Asian spikemoss, [1] is a lycophyte native to tropical Asia. Distribution. Selaginella plana occurs in tropical regions of ...
The life cycle is the shortest of the genus Selaginella, as well as one of the shortest among the lycophytes. Selaginella apoda is found primarily in damp soils in habitats such as swamps, wet fields, open woods and along stream banks. Selaginella apoda presents the potential for case studies involving the plant's adaptability to environmental ...
Selaginella kraussiana is a species of vascular plant in the family Selaginellaceae. [2] It is referred to by the common names Krauss' spikemoss , [ 3 ] Krauss's clubmoss , [ 4 ] or African clubmoss , and is found naturally in parts of Sub-Saharan Africa and in Macaronesia . [ 5 ]
The following is an alphabetical list of all 723 species of Selaginella that are accepted by Plants of the World Online as of 10 January 2023. [1] A Selaginella ...