加拿大马尼托巴省石松类植物概述:现状、分布、丰度和生境

Q4 Agricultural and Biological Sciences

The Canadian Field-Naturalist Pub Date : 2022-11-07 DOI:10.22621/cfn.v136i2.2669

R. Staniforth, D. Brunton

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引用次数: 0

摘要

在过去的20年里，曼尼托巴省发现的石松类群数量稳步增加，这促使人们决定哪些物种应该被列入更新的省目录。自2008年以来在全省收集的标本以及对1000多个植物标本室标本的严格检查，使马尼托巴省的石松植物区系得到了实质性的审查和更新。它现在包括22个分类群:14种和2种杂交的棒状藓(石松科)，3种穗状藓(卷柏科)，2种和1种杂交的刺茅(Isoetaceae)。在21个物种中，有13个被指定为受保护物种，自然保护区的等级为“极度濒危”(S1;3)，危(S2);2)或Vulnerable (S3;9)。基于已验证的标本，我们描述了曼尼托巴省所有石松类群的丰富度和栖息地，并总结了最近在命名和系统分类方面的变化。

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A synopsis of lycophytes in Manitoba, Canada: their status, distribution, abundance, and habitats

A steady increase in the number of lycophyte taxa discovered in Manitoba over the last 20 years prompted a determination of which species should be included in an updated provincial list. Collections made throughout the province since 2008 and a critical examination of over 1000 herbarium specimens enabled a substantive review and update of Manitoba’s lycophyte flora. It now comprises 22 taxa: 14 species and two hybrid clubmosses (Lycopodiaceae), three spikemosses (Selaginellaceae), and two species and one hybrid quillwort (Isoetaceae). Thirteen of the 21 species are designated to be of conservation concern, with NatureServe ranks of Critically Imperilled (S1; three), Imperilled (S2; two), or Vulnerable (S3; nine). Based on verified specimens, we describe the abundance and habitats, and summarize recent changes in nomenclature and systematics for all Manitoba lycophyte taxa.

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来源期刊

The Canadian Field-Naturalist Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics

CiteScore

0.60

自引率

0.00%

发文量

期刊介绍： The Canadian Field-Naturalist (ISSN: 0008-3550) publishes scientific papers by amateur and professional naturalists and field biologists, reporting observations and results of investigations in any field of natural history, provided they are original, significant, and relevant to Canada.