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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.
Close up image of P. cuspidatum showing sharply toothed edge and noticeable midrib (dark linear area). Plagiomnium cuspidatum has sharp-toothed leaf margins, as its common names suggest, and can be identified from other members of the Plagiomnium genus by their leaves which measure to about 2.5–3.5 mm in length and have a tip that is tapered more gradually than other Plagiomnium species, a ...
Plagiomnium insigne, the badge moss or coastal leafy moss, [1] is a species of moss found on humus in moist, shaded, lowland forests. It can also be found on soil along trails and other shaded, open areas. The moss sometimes forms lush, extensive mats.
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 ]
Looking up into the branch structure of a Pinus sylvestris tree Animation of zooming into the leaf of a Sequoia sempervirens (Californian Redwood). Plant morphology "represents a study of the development, form, and structure of plants, and, by implication, an attempt to interpret these on the basis of similarity of plan and origin". [ 4 ]
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.
Polytrichum commune (also known as common haircap, [2] great golden maidenhair, [2] great goldilocks, [2] common haircap moss, or common hair moss) is a species of moss found in many regions with high humidity and rainfall. The species can be exceptionally tall for a moss with stems often exceeding 30 cm (12 in) and rarely reaching 70 cm (27.5 ...
The costa is wide and occupies about half the leaf width. The plants are found in dense mats and extensive carpets and are yellowish to olive green. [3] They are acrocarpous and perennial. [4] Multiple sporophytes are often present in one plant. The seta are between 7 and 12 millimeters in length, and are yellowish brown to brownish. The ...