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A new species of Perichaena (Myxomycetes) with reticulate spores from southern Vietnam

机译：越南南部的网状孢子的一种新的Perichaena（Myxomycetes）

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摘要

A new species of Perichaena, described herein as P. echinolophospora, was isolated in moist chamber cultures from substrate samples collected in the monsoon deciduous lowland tropical forests (Cat Tien National Park, Vinh Cuu Nature Reserve) and mixed montane tropical forests (Bi Dup-Nui Ba Nature Reserve) of southern Vietnam. Perichaena echinolophospora was recovered from ground litter, aerial litter and the bark of living trees. The morphology of representative specimens was examined by light and scanning electron microscopy, and micrographs of relevant details are provided. Spore ornamentation consists of a regular reticulum with large meshes, 3-4 mn in wide and limited by denticulate ridges, 1.7-2.2 inn tall, and clusters of small warts and rods densely distributed over the spore surface within the meshes of the reticulum and visible only by SEM. The stability of the taxonomic characters of the species was confirmed by several collections obtained during three field seasons.
机译：在潮湿的室内培养中，从季风落叶低地热带森林（Cat Tien国家公园，Vinh Cuu自然保护区）和混合山地热带森林（Bi Dup-越南南部的努巴自然保护区。 Perichaena echinolophospora是从地面垃圾，空中垃圾和活树的树皮中回收的。通过光学和扫描电子显微镜检查代表性样品的形态，并提供相关细节的显微照片。孢子饰物由规则的网状体组成，网状体具有较大的网孔，宽3-4百万，受网状脊限制，高1.7-2.2英寸，网状网孔内的孢子表面密集分布着小疣和棒状簇仅由SEM。该物种的分类学特征的稳定性通过三个田间季节的数次收集得到了证实。

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