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Light micrograph of a moss's leaf cells at 400X magnification. The following outline is provided as an overview of and topical guide to cell biology: . Cell biology – A branch of biology that includes study of cells regarding their physiological properties, structure, and function; the organelles they contain; interactions with their environment; and their life cycle, division, and death.
The upright stems of swan's-neck thyme-moss are 2 to 4 cm tall. Leaves are 4mm to 8mm long, with a toothed border of long, narrow cells. The vein ends a slightly below the tip of the leaf. The lower part of the stem has small, narrow triangular leaves.
Margaret Sibella Brown (March 2, 1866 – November 16, 1961) was a Canadian amateur bryologist specializing in mosses and liverworts native to Nova Scotia.Early in her career she was involved with gathering supplies of sphagnum moss to be used as surgical dressings during World War I, when cotton was in short supply.
Moss leaf under microscope, showing gemmae and a hair point (40x) Moss gametophytes have stems which may be simple or branched and upright (acrocarp) or prostrate (pleurocarp). The early divergent classes Takakiopsida, Sphagnopsida, Andreaeopsida and Andreaeobryopsida either lack stomata or have pseudostomata that do not form pores.
Bryum argenteum, the silvergreen bryum moss or silvery thread moss, [1] is a species of moss in the family Bryaceae. It is one of the most common mosses of urban areas and can be easily recognized without a microscope.
Tortula muralis forms greyish-green cushions no more than 1 cm (0.39 in) tall, with tongue-shaped leaves possessing acute to rounded leaf apices that approach a point. [6] The leaf margins are narrowly recurved near their apex, and are distally bordered with two to four thicker rows of cells that bear or lack papillae.
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Plagiomnium venustum, also known as magnificent leafy moss, is a species of moss belonging to the family Mniaceae. [2] It is found mainly in western North America along the coastal region. [ 3 ] This moss can be identified from other members of the Plagiomnium genus by dark coloured stomata guide cells and the absence of sterile stems. [ 2 ]