真双子叶植物
生物
植物
维管植物
生态学
分类学(生物学)
物种丰富度
作者
Maarten J. M. Christenhusz,James W. Byng
出处
期刊:Phytotaxa
[Magnolia Press]
日期:2016-05-20
卷期号:261 (3): 201-201
被引量:1638
标识
DOI:10.11646/phytotaxa.261.3.1
摘要
We have counted the currently known, described and accepted number of plant species as ca 374,000, of which approximately 308,312 are vascular plants, with 295,383 flowering plants (angiosperms; monocots: 74,273; eudicots: 210,008). Global numbers of smaller plant groups are as follows: algae ca 44,000, liverworts ca 9,000, hornworts ca 225, mosses 12,700, lycopods 1,290, ferns 10,560 and gymnosperms 1,079. Phytotaxa is currently contributing more than a quarter of the ca 2000 species that are described every year, showing that it has become a major contributor to the dissemination of new species discovery. However, the rate of discovery is slowing down, due to reduction in financial and scientific support for fundamental natural history studies.
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