Comments
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Inglês
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fornecido por eFloras
The description above refers to North American plants of Campylopus pyriformis—specimens from other parts of its range have a somewhat different appearance. This species was first recorded for North America (T. Arts and J.-P. Frahm 1990) based on collections made by W. D. Reese. The occurrence in North America at only three localities in Louisiana and Mississippi, and an additional unpublished record from Florida, can perhaps be explained by introduction facilitated by the presence of rhizoidal tubers. It may therefore be doubted whether this species is native in North America. However, the small form found in the United States resembles a form occurring in Brazil in similar habitats, from which area it may have been introduced by birds. Similar disjunctions between Brazil and southeast North America are also found in C. surinamensis, C. carolinae and C. angustiretis, which all conspicuously grow together on bare, acid, white sand. Campylopus pyriformis was also found mixed with C. surinamensis, but can be distinguished by the more elongate, narrowly lanceolate leaves with a channelled apex, a long-excurrent nerve and a lamina ending at mid leaf and colorless rhizoidal tubers instead of the reddish or reddish brown ones as in C. surinamensis.
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Description
(
Inglês
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fornecido por eFloras
Plants small to medium-sized, 5–35 mm high, yellowish green to yellowish brown, in weakly shiny, compact tufts. Stems erect, simple or branched by innovations, not comose foliate, tomentose below. Leaves 2–7 mm long, lower ones appressed, upper ones somewhat flexuose or homomallous, erect-patent when moist, lanceolate, rather abruptly narrowed from an oblong-ovate base to a slender subula, ending in a channeled tip; margins plane, entire below, only serrulate near the apex; costa broad, occupying 2/5 – 3/5 the leaf base width, shortly excurrent, not ending in a hyaline point, smooth at back in the upper part, with only dorsal stereid band in transverse section; upper cells short-rectangular, moderately incrassate; basal cells rectangular or irregularly rhomboidal, rather thin-walled, hyaline; alar cells not well differentiated, usually hyaline, delicate. Dioicous. Setae straight when dry, cygneous when moist, light brownish; capsules erect, or somewhat inclined, ellipsoidal, slightly asymmetric, smooth when dry, brownish; opercula short-rostrate; annuli in 2–3 rows of large cells, deciduous; peristome teeth divided nearly to the middle, vertically papillose-striate below, reddish brown. Calyptrae fringed at base. Spores 8–17 µm in diameter, verrucose.
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Description
(
Inglês
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fornecido por eFloras
Plants 3 mm, gregarious or in loose, low tufts, forming low rosettes, appearing stemless, light to olive green. Leaves 3 mm, erect-patent, flexuose when dry, from lanceolate base gradually con-tracted into a long, fine, straight, concolorous, distinctly canaliculate subula; margins serrate in the distal part of the leaves; alar cells scarcely differentiated; basal laminal cells hyaline, thin-walled, rectangular; distal laminal cells thick-walled, rectangular, ca. 4:1; costa filling 1/2-2/3 of leaf width, excurrent, in transverse section with large, empty, adaxial hyalocysts and abaxial groups of stereids, abaxially smooth. Specialized asexual reproduction by colorless, multicellular, long-cylindric rhizoidal tubers, 300-700 µm long, deciduous leaves and small brood leaves produced at stem tips. Sporophytes not present in North America.
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Distribution
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Inglês
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fornecido por eFloras
Distribution: China, India, Mongolia, Russia, Europe, North and South America, and Australia.
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Habitat
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Inglês
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fornecido por eFloras
Habitat: on soil and rocks, or on bases of trees and rotten wood.
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Synonym
(
Inglês
)
fornecido por eFloras
Dicranum pyriforme Schultz, Prodr. Fl. Starg. Suppl., 73. 1819
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Synonym
(
Inglês
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fornecido por eFloras
Campylopus flexuosus (Hedw.) Brid. ssp. pyriformis (Schultz) Dix., Stud. Handb. Brit. Mosses 95. 1896. Campylopus fragilis (Brid.) Bruch & Schimp. var. pyriformis (Schultz) Agst., Ned. Kruidk. Arch. 57: 332. 1950.
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Torf-Krummstielmoos
(
Alemão
)
fornecido por wikipedia DE
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Laminazellen am Blattgrund bei 400-facher Vergrößerung
Das Torf-Krummstielmoos (Campylopus pyriformis) ist ein kleines, recht vielgestaltiges Moos aus der Familie Leucobryaceae, welches in Mitteleuropa häufig anzutreffen ist.
Beschreibung
Die zarten, 0,5 bis 3 cm hohen Pflanzen bilden dichte, gelb-grün gefärbte Rasen. Sie ähneln der Art Dicranodontium denudatum.
Die Blätter sind lanzettlich. Insbesondere die oberen sind sehr schmal-länglich, leicht verbogen, und in eine lange Spitze ausgezogen. Die Laminazellen sind unregelmäßig rechteckig. Dabei sind sie im unteren Teil des Blattes hyalin durchscheinend mit dünnen Zellwänden, und länglich rechteckig, im oberen Teil kürzer und dicker. Die Blattflügelzellen sind nur undeutlich differenziert.
Die Art vermehrt sich vegetativ durch eilanzettlich geformte Brutblätter oder Rhizoidgemmen, Sporogone sind eher selten. Die Kapsel ist gelblich gefärbt und hat rötliche Peristomzähne, die bis zur Hälfte gespalten sind. Die Seta ist gelb.
Verbreitung und Standortansprüche
Das Moos wächst an nährstoffarmen, lichtreichen, stets kalkfreien Standorten, beispielsweise auf Torf, morschem Holz, oder Sandböden. Häufig ist es in Hochmooren an trittgestörten Stellen zusammen mit Cephalozia connivens anzutreffen.
Das Moos wächst in sehr verschiedenen Teilen der Welt: südöstliches Südamerika, westliches Europa einschließlich der atlantischen Inseln, Zentral- und Südafrika, auf Australien, Neuseeland und den Pazifischen Inseln, in Zentralasien sowie an einzelnen Stellen in Nordamerika. Man vermutet, dass sein ursprüngliches Verbreitungsgebiet in Südamerika lag und von dort durch den Menschen und Vögel verschleppt wurde. Nach Europa wurde es vermutlich im 17. oder 18. Jahrhundert eingeschleppt.
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Torf-Krummstielmoos: Brief Summary
(
Alemão
)
fornecido por wikipedia DE
![src=]()
Sporogon
![src=]()
Laminazellen am Blattgrund bei 400-facher Vergrößerung
Das Torf-Krummstielmoos (Campylopus pyriformis) ist ein kleines, recht vielgestaltiges Moos aus der Familie Leucobryaceae, welches in Mitteleuropa häufig anzutreffen ist.
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Campylopus pyriformis
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Inglês
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Campylopus pyriformis: Brief Summary
(
Inglês
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fornecido por wikipedia EN
Campylopus pyriformis is a species of moss belonging to the family Dicranaceae. It has a cosmopolitan distribution.
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Campylopus pyriformis
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Francês
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Campylopus pyriformis: Brief Summary
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Francês
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Campylopus pyriformis est une espèce de bryophyte du genre Campylopus appartenant à la famille des Dicranaceae.
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Krzywoszczeć torfowa
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Polonês
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Krzywoszczeć torfowa: Brief Summary
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Polonês
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fornecido por wikipedia POL
Krzywoszczeć torfowa (Campylopus pyriformis (Schultz) Brid.) – gatunek mchu należący do rodziny widłozębowatych (Dicranaceae). Występuje w Europie, Chinach, Indiach, Mongolii, Rosji, Australii i Ameryce Północnej.
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Campylopus pyriformis
(
Vietnamita
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fornecido por wikipedia VI
Campylopus pyriformis là một loài Rêu trong họ Dicranaceae. Loài này được (Schultz) Brid. mô tả khoa học đầu tiên năm 1826.[1]
Hình ảnh
Chú thích
Liên kết ngoài
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Campylopus pyriformis: Brief Summary
(
Vietnamita
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fornecido por wikipedia VI
Campylopus pyriformis là một loài Rêu trong họ Dicranaceae. Loài này được (Schultz) Brid. mô tả khoa học đầu tiên năm 1826.
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Bài viết liên quan đến họ rêu Dicranaceae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn. 
