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Pterostylis truncata : ウィキペディア英語版 | Pterostylis truncata
''Pterostylis truncata'', the brittle greenhood, is part of the Orchidaceae family. It is a plant localized to Australia, mainly around Victoria and usually within a 40-mile radius of Melbourne. There are three main sites where the Brittle Greenhood still exists in the wild, the You Yangs, Black Hills, and the Long Forest Mallee. Considered to be an endangered species the amount of Brittle Greenhood around Australia has declined drastically in the last few decades. Mainly local populations of the Brittle Greenhood still face very threatening conditions however from the local wildlife especially in the You Yangs area, specifically three species: European Rabbit ''Oryctolagus cuniculus'', the Feral Goat ''Capra hircus'', and Eastern Grey Kangaroos ''Macropus giganteus''. However, when looked at closely there is a bigger threat to the Brittle Greenhood than animals and that is other plants, specifically the ''Chrysanthemoides monilifera'', or Boneseed weed. In the other two before mentioned areas there is still a threat; however, the Brittle Greenhood seems to be doing better. In the Black Hills they seem to have the best chance; however, with the Long Forest Mallee there are threats from certain weeds, tourism, and the White-Winged Choughs ''Corcorax melanorthampos''. ==Habitat== Some of the most common occurrences of the Brittle Greenhood can be found is association with the rock fern. The Brittle Greenhood can also be found in many different types of soil. It doesn't have a set soil or type of habitat it prefers, some habitats include wood forests all the way to grasslands where there is little protection. What was once known to inhabit a lot of areas around Victoria has been narrowed down to three different areas where the Brittle Greenhood is found today; Black Hills, the You Yangs, and The Long Forest Mallee.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Pterostylis truncata」の詳細全文を読む
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