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Diplazium is a genus of ferns that specifically includes the approximately 400 known species of twinsorus ferns. The Greek root is diplazein meaning double: the indusia in this genus lie on both sides of the vein. These ferns were earlier considered part of either the Athyriaceae, Dryopteridaceae, Aspleniaceae, or Polypodiaceae families or recognized as belonging to their own taxonomic family. The Pteridophyte Phylogeny Group classification of 2016 (PPG I) places the genus in the Athyriaceae. The taxonomy of the genus is difficult and poorly known, and by 2009 has never been the subject of a complete monographic study. Their distribution is pantropical, with a few species extending into temperate areas.

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  • Diplazium (en)
  • Diplazium (es)
  • Diplazium (fr)
  • Diplazium (nl)
  • Диплазиум (ru)
  • Diplazium (sv)
  • 双盖蕨属 (zh)
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  • Diplazium es un género de helechos de la familia Athyriaceae.​ Tiene 920 especies entre aceptadas y sinonimias. (es)
  • Diplazium est un genre de fougères de la famille des Athyriaceae. (fr)
  • Diplazium is een geslacht met meer dan 400 soorten terrestrische varens uit de wijfjesvarenfamilie (Athyriaceae). Het zijn van oorsprong subtropische en tropische varens uit de Oude Wereld. Eén soort, Diplazium caudatum, komt ook in Europa voor. (nl)
  • Дипла́зиум, или Орлячо́к (лат. Diplázium) — род папоротников семейства Кочедыжниковые (Athyriaceae) порядка Многоножковые (Polypodiales). (ru)
  • Diplazium är ett växtsläkte med det svenska namnet ryssbräknar. Diplazium ingår i familjen Athyriaceae (majbräkenväxter). I Sverige finns en art, ryssbräken, Diplazium sibiricum. (sv)
  • 双盖蕨属(学名:Diplazium),是蹄盖蕨科下的一个属。 属名Diplazium源于希腊语diplazo,意为“使加倍”,指本属植物孢子囊盖双重。 (zh)
  • Diplazium is a genus of ferns that specifically includes the approximately 400 known species of twinsorus ferns. The Greek root is diplazein meaning double: the indusia in this genus lie on both sides of the vein. These ferns were earlier considered part of either the Athyriaceae, Dryopteridaceae, Aspleniaceae, or Polypodiaceae families or recognized as belonging to their own taxonomic family. The Pteridophyte Phylogeny Group classification of 2016 (PPG I) places the genus in the Athyriaceae. The taxonomy of the genus is difficult and poorly known, and by 2009 has never been the subject of a complete monographic study. Their distribution is pantropical, with a few species extending into temperate areas. (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Diplazium_dietrichianum_RBG_Sydney.jpg
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  • Swartz (en)
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  • Diplazium dietrichianum (en)
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  • Diplazium (en)
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  • Diplazium es un género de helechos de la familia Athyriaceae.​ Tiene 920 especies entre aceptadas y sinonimias. (es)
  • Diplazium is a genus of ferns that specifically includes the approximately 400 known species of twinsorus ferns. The Greek root is diplazein meaning double: the indusia in this genus lie on both sides of the vein. These ferns were earlier considered part of either the Athyriaceae, Dryopteridaceae, Aspleniaceae, or Polypodiaceae families or recognized as belonging to their own taxonomic family. The Pteridophyte Phylogeny Group classification of 2016 (PPG I) places the genus in the Athyriaceae. The taxonomy of the genus is difficult and poorly known, and by 2009 has never been the subject of a complete monographic study. Their distribution is pantropical, with a few species extending into temperate areas. The rhizome of the genus Diplazium varies from creeping to erect, and is scaly. Its fronds are deciduous or evergreen, are trophopodic and are either monomorphic or weakly dimorphic. The stipe is green, deeply grooved from above, and is either scaly or glabrous. It always has two lunate vascular bundles. The blades are either singular or in sets of two and are entirely pinnate, range from oblong-lanceolate to deltate, and from herbaceous to papery. It has linear basal sori that are paired back-to-back on the same vein. The indusium is linear and persistent, and the sporangia are brownish. Some common species include Diplazium hymenodes, the peacock fern; Diplazium esculentum, the vegetable fern; Diplazium molokaiense, the Molokai twinsorus fern; and Diplazium lonchophyllum, the lance-leaved glade fern. (en)
  • Diplazium est un genre de fougères de la famille des Athyriaceae. (fr)
  • Diplazium is een geslacht met meer dan 400 soorten terrestrische varens uit de wijfjesvarenfamilie (Athyriaceae). Het zijn van oorsprong subtropische en tropische varens uit de Oude Wereld. Eén soort, Diplazium caudatum, komt ook in Europa voor. (nl)
  • Дипла́зиум, или Орлячо́к (лат. Diplázium) — род папоротников семейства Кочедыжниковые (Athyriaceae) порядка Многоножковые (Polypodiales). (ru)
  • Diplazium är ett växtsläkte med det svenska namnet ryssbräknar. Diplazium ingår i familjen Athyriaceae (majbräkenväxter). I Sverige finns en art, ryssbräken, Diplazium sibiricum. (sv)
  • 双盖蕨属(学名:Diplazium),是蹄盖蕨科下的一个属。 属名Diplazium源于希腊语diplazo,意为“使加倍”,指本属植物孢子囊盖双重。 (zh)
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