Red list assessment of lycophytes and ferns in China

doi:10.17520/biods.2016204

Abstract

Abstract:

To understand the extinction risk of lycophytes and ferns in China, we conducted an evaluation of the two groups according to IUCN Red List Categories and Criteria (version 3.1) at the national level. During a period of 16 months, a group of three researchers evaluated each taxon by means of reading literature, checking herbarium specimens, and consulting colleagues working on lycophytes and ferns in China. A total of 30 colleagues share their knowledge, mainly regarding living status and distribution, on Chinese lycophytes and ferns. Here we present a preliminary red list of Chinese lycophytes and ferns which includes 2,244 taxa of the following categories: 43 Critically Endangered (CR, among which six have probably been already extinct) , 68 Endangered (EN), 71 Vulnerable (VU), 66 Near Threatened (NT), 1,124 Least Concern (LC), and 872 Data Deficient (DD). The taxa which have been taken into account include species, subspecies, and varieties only, with forms and hybrids excluded. Of the 182 threatened species (VU, EN, and CR), 79 are endemic (or nearly) to China. Conservation priorities are suggested for the 79 threatened and endemic species, especially the 24 critically endangered species which include Adiantum meishanianum, A. nelumboides, Angiopteris chingii, Asplenium cornutissimum, Bolbitis hainanensis, Huperzia quasipolytrichoides var. rectifolia, Isoëtes orientalis, I. taiwanensis, I. yunguiensis, Paesia taiwanensis, Parathelypteris subimmersa, Polystichum basipinnatum, P. cavernicola, P. minutissimum, P. oblanceolatum, P. speluncicola, Pronephrium longipetiolatum, Pseudocyclosorus caudipinnus, Pteridrys lofouensis, Pteris angustipinna, Selliguea cruciformis, Tectaria ebenina, T. hekouensis, and Woodsia okamotoi. This red list is of a preliminary nature as a rather high proportion of taxa belong to DD (up to 872, ca. 39 % of total taxa in China). To gain a complete and precise red list, further evaluation work, especially taxonomic revisions based on field observations, is needed for the lycophytes and ferns in China. These include Angiopteris, Asplenium, Athyrium, Deparia, Dryopteris, Huperzia, Polystichum, Pteris, Selaginella, Polypodiaceae, and Thelypteridaceae which are still relatively poorly understood in terms of taxonomy and conservation.

http://jtp.cnki.net/bilingual/detail/html/SWDY201707006

Key words: biodiversity, conservation, lycophytes, ferns, IUCN Red List categories, IUCN Red List criteria, threatened species

Shiyong Dong, Zhengyu Zuo, Yuehong Yan, Jianying Xiang. Red list assessment of lycophytes and ferns in China[J]. Biodiv Sci, 2017, 25(7): 765-773.

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URL: https://www.biodiversity-science.net/EN/10.17520/biods.2016204

https://www.biodiversity-science.net/EN/Y2017/V25/I7/765

Figures/Tables 3

References 35

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种 Species	分布和采集信息 Distribution and collection information
海南实蕨 Bolbitis hainanensis	中国特产(海南和云南), 海南仅有1份1933年的凭证标本, 具体采集地不详; 云南仅有1956年采自思茅的3号标本, 之后再未见有采集记录。Endemic to China (in Hainan and Yunnan). There is only one collection from Hainan in 1933 and three collections from Yunnan in 1956. It has not been collected since 1956.
针叶蕨 Monogramma trichoidea	分布于中国(海南和台湾)及亚洲热带地区, 附生于热带雨林林下石上。台湾只有1923年的采集凭证; 海南仅有1935年的1份采集记录, 最近数十年来, 海南热带低地森林开发严重, 估计该种在海南已经消失。Distributed in Hainan and Taiwan of China and other tropical regions of Asia, lithophytic in rain forest. There is only one voucher from Taiwan in 1923 and one from Hainan in 1935, respectively. It is likely extinct in Hainan due to the heavy deforestation in past several decades.
尾羽假毛蕨 Pseudocyclosorus caudipinnus	海南特有, 但迄今只有1份1878年的模式标本。Endemic to Hainan. It is represented only by its type specimen collected in 1878.
罗浮牙蕨 Pteridrys lofouensis	中国特产(贵州和云南), 至今只有3份凭证标本, 其中1份为模式标本, 1910年以前采自贵州罗甸; 另2份标本分别于1954年采自云南屏边和1985年采自云南西畴。我们推测该种已经绝灭, 但没有针对该种开展过详细的调查, 尚不十分肯定。Endemic to China (in Guizhou and Yunnan), only three collections, with one (the type) from Luodian, Guizhou collected before 1910 and two from Yunnan (Pingbian in 1954 and Xichou in 1985). This species is likely extinct and we are not sure because of no special data available.
十字假瘤蕨 Selliguea cruciformis	分布于中国(广东)、越南北部和泰国北部。中国范围内, 历史上仅有1份1924年的模式标本, 采自广东北部龙头山, 此后再没有该种在中国的记录。Distributed in China (in Guangdong), northern Vietnam and northern Thailand. There is only one record from China, i.e., the type specimen from Longtoushan, northern Guangdong in 1924. Since then there is no any records of this species in China.
多变叉蕨 Tectaria variabilis	分布于中国(海南)和越南。中国的采集记录只有1935年的1份凭证标本, 此后再没有该种的采集记录。Distributed in China (in Hainan) and Vietnam. There is only one collection known in China which was gathered in 1935.

种 Species	分布和采集信息 Distribution and collection information
海南实蕨 Bolbitis hainanensis	中国特产(海南和云南), 海南仅有1份1933年的凭证标本, 具体采集地不详; 云南仅有1956年采自思茅的3号标本, 之后再未见有采集记录。Endemic to China (in Hainan and Yunnan). There is only one collection from Hainan in 1933 and three collections from Yunnan in 1956. It has not been collected since 1956.
针叶蕨 Monogramma trichoidea	分布于中国(海南和台湾)及亚洲热带地区, 附生于热带雨林林下石上。台湾只有1923年的采集凭证; 海南仅有1935年的1份采集记录, 最近数十年来, 海南热带低地森林开发严重, 估计该种在海南已经消失。Distributed in Hainan and Taiwan of China and other tropical regions of Asia, lithophytic in rain forest. There is only one voucher from Taiwan in 1923 and one from Hainan in 1935, respectively. It is likely extinct in Hainan due to the heavy deforestation in past several decades.
尾羽假毛蕨 Pseudocyclosorus caudipinnus	海南特有, 但迄今只有1份1878年的模式标本。Endemic to Hainan. It is represented only by its type specimen collected in 1878.
罗浮牙蕨 Pteridrys lofouensis	中国特产(贵州和云南), 至今只有3份凭证标本, 其中1份为模式标本, 1910年以前采自贵州罗甸; 另2份标本分别于1954年采自云南屏边和1985年采自云南西畴。我们推测该种已经绝灭, 但没有针对该种开展过详细的调查, 尚不十分肯定。Endemic to China (in Guizhou and Yunnan), only three collections, with one (the type) from Luodian, Guizhou collected before 1910 and two from Yunnan (Pingbian in 1954 and Xichou in 1985). This species is likely extinct and we are not sure because of no special data available.
十字假瘤蕨 Selliguea cruciformis	分布于中国(广东)、越南北部和泰国北部。中国范围内, 历史上仅有1份1924年的模式标本, 采自广东北部龙头山, 此后再没有该种在中国的记录。Distributed in China (in Guangdong), northern Vietnam and northern Thailand. There is only one record from China, i.e., the type specimen from Longtoushan, northern Guangdong in 1924. Since then there is no any records of this species in China.
多变叉蕨 Tectaria variabilis	分布于中国(海南)和越南。中国的采集记录只有1935年的1份凭证标本, 此后再没有该种的采集记录。Distributed in China (in Hainan) and Vietnam. There is only one collection known in China which was gathered in 1935.

分类群 Taxon		等级 Category	分类群 Taxon		等级 Category
石松类 Lycophytes
皱边石杉	Huperzia crispata	VU	独山双盖蕨	Diplazium dushanense	VU
直叶金发石杉	Huperzia quasipolytrichoides var. rectifolia	CR	马鞍山双盖蕨	Diplazium maonense	VU
东方水韭	Isoëtes orientalis	CR	深裂双盖蕨	Diplazium metcalfii	VU
中华水韭	Isoëtes sinensis	EN	四棱双盖蕨	Diplazium quadrangulatum	VU
台湾水韭	Isoëtes taiwanensis	CR	网脉双盖蕨	Diplazium stenochlamys*	VU
云贵水韭	Isoëtes yunguiensis	CR	大平鳞毛蕨	Dryopteris bodinieri*	EN
棣氏卷柏	Selaginella devolii	EN	两广鳞毛蕨	Dryopteris liangkwangensis*	EN
琉球卷柏	Selaginella lutchuensis	EN	黄山鳞毛蕨	Dryopteris whangshangensis	EN
蕨类	ferns		琼崖舌蕨	Elaphoglossum luzonicum var. mcclurei	VU
台湾铁线蕨	Adiantum formosanum	VU	心叶薄唇蕨	Leptochilus cantoniensis*	VU
仙霞铁线蕨	Adiantum juxtapositum	VU	碎叶鳞始蕨	Lindsaea chingii*	EN
梅山铁线蕨	Adiantum meishanianum	CR	中华藤蕨	Lomariopsis chinensis	VU
荷叶铁线蕨	Adiantum nelumboides	CR	台湾曲轴蕨	Paesia taiwanensis	CR
台湾高山铁线蕨	Adiantum roborowskii var. taiwanianum	VU	海南金星蕨	Parathelypteris subimmersa	CR
黑柄粉背蕨	Aleuritopteris ebenipes	VU	广东马尾杉	Phlegmariurus guangdongensis	VU
中国蕨	Aleuritopteris grevilleoides	VU	台湾马尾杉	Phlegmariurus taiwanensis	VU
毛叶粉背蕨	Aleuritopteris squamosa	EN	节毛耳蕨	Polystichum articulatipilosum	EN
滇南桫椤	Alsophila austroyunnanensis	VU	基羽鞭叶耳蕨	Polystichum basipinnatum	CR
二回莲座蕨	Angiopteris bipinnata	EN	洞生耳蕨	Polystichum cavernicola	CR
秦氏莲座蕨	Angiopteris chingii	CR	卵状边叶耳蕨	Polystichum conjunctum	VU
相马氏莲座蕨	Angiopteris somae	EN	广东耳蕨	Polystichum kwangtungense	VU
四回毛枝蕨	Arachniodes sinomiqueliana	EN	微小耳蕨	Polystichum minutissimum	CR
壮乡铁角蕨	Asplenium cornutissimum	CR	倒披针耳蕨	Polystichum oblanceolatum	CR
黑边铁角蕨	Asplenium speluncae	EN	岩穴耳蕨	Polystichum speluncicola	CR
长叶蹄盖蕨	Athyrium elongatum	VU	天坑耳蕨	Polystichum tiankengicola	EN
海南蹄盖蕨	Athyrium hainanense	EN	长柄新月蕨	Pronephrium longipetiolatum	CR
小蹄盖蕨	Athyrium minimum	EN	尾羽假毛蕨	Pseudocyclosorus caudipinnus	CR
启无蹄盖蕨	Athyrium wangii	VU	罗浮牙蕨	Pteridrys lofouensis	CR
海南实蕨	Bolbitis hainanensis	CR	细叶凤尾蕨	Pteris angustipinna	CR
高平蕨	Caobangia squamata*	VU	十字假瘤蕨	Selliguea cruciformis*	CR
边果蕨	Craspedosorus sinensis	EN	大围山假瘤蕨	Selliguea daweishanensis	VU
滇桂肋毛蕨	Ctenitis dianguiensis	EN	圆顶假瘤蕨	Selliguea obtusa	VU
焕镛钩毛蕨	Cyclogramma chunii	EN	屏边溪边蕨	Stegnogramma dictyoclinoides*	EN
秦氏贯众	Cyrtomium chingianum	EN	天长罗曼蕨	Struthiopteris eburnea var. obtusa	VU
惠水贯众	Cyrtomium grossum	EN	黑柄叉蕨	Tectaria ebenina*	CR
邢氏贯众	Cyrtomium shingianum	EN	粗齿叉蕨	Tectaria grossedentata	EN
新宁贯众	Cyrtomium sinningense	EN	河口叉蕨	Tectaria hekouensis	CR
台湾贯众	Cyrtomium taiwanianum	EN	五裂叶叉蕨	Tectaria quinquefida*	EN
光叶蕨	Cystopteris chinensis	EN	海南符藤蕨	Teratophyllum hainanense*	EN
海南对囊蕨	Deparia hainanensis	EN	冈本氏岩蕨	Woodsia okamotoi	CR

分类群 Taxon		等级 Category	分类群 Taxon		等级 Category
石松类 Lycophytes
皱边石杉	Huperzia crispata	VU	独山双盖蕨	Diplazium dushanense	VU
直叶金发石杉	Huperzia quasipolytrichoides var. rectifolia	CR	马鞍山双盖蕨	Diplazium maonense	VU
东方水韭	Isoëtes orientalis	CR	深裂双盖蕨	Diplazium metcalfii	VU
中华水韭	Isoëtes sinensis	EN	四棱双盖蕨	Diplazium quadrangulatum	VU
台湾水韭	Isoëtes taiwanensis	CR	网脉双盖蕨	Diplazium stenochlamys*	VU
云贵水韭	Isoëtes yunguiensis	CR	大平鳞毛蕨	Dryopteris bodinieri*	EN
棣氏卷柏	Selaginella devolii	EN	两广鳞毛蕨	Dryopteris liangkwangensis*	EN
琉球卷柏	Selaginella lutchuensis	EN	黄山鳞毛蕨	Dryopteris whangshangensis	EN
蕨类	ferns		琼崖舌蕨	Elaphoglossum luzonicum var. mcclurei	VU
台湾铁线蕨	Adiantum formosanum	VU	心叶薄唇蕨	Leptochilus cantoniensis*	VU
仙霞铁线蕨	Adiantum juxtapositum	VU	碎叶鳞始蕨	Lindsaea chingii*	EN
梅山铁线蕨	Adiantum meishanianum	CR	中华藤蕨	Lomariopsis chinensis	VU
荷叶铁线蕨	Adiantum nelumboides	CR	台湾曲轴蕨	Paesia taiwanensis	CR
台湾高山铁线蕨	Adiantum roborowskii var. taiwanianum	VU	海南金星蕨	Parathelypteris subimmersa	CR
黑柄粉背蕨	Aleuritopteris ebenipes	VU	广东马尾杉	Phlegmariurus guangdongensis	VU
中国蕨	Aleuritopteris grevilleoides	VU	台湾马尾杉	Phlegmariurus taiwanensis	VU
毛叶粉背蕨	Aleuritopteris squamosa	EN	节毛耳蕨	Polystichum articulatipilosum	EN
滇南桫椤	Alsophila austroyunnanensis	VU	基羽鞭叶耳蕨	Polystichum basipinnatum	CR
二回莲座蕨	Angiopteris bipinnata	EN	洞生耳蕨	Polystichum cavernicola	CR
秦氏莲座蕨	Angiopteris chingii	CR	卵状边叶耳蕨	Polystichum conjunctum	VU
相马氏莲座蕨	Angiopteris somae	EN	广东耳蕨	Polystichum kwangtungense	VU
四回毛枝蕨	Arachniodes sinomiqueliana	EN	微小耳蕨	Polystichum minutissimum	CR
壮乡铁角蕨	Asplenium cornutissimum	CR	倒披针耳蕨	Polystichum oblanceolatum	CR
黑边铁角蕨	Asplenium speluncae	EN	岩穴耳蕨	Polystichum speluncicola	CR
长叶蹄盖蕨	Athyrium elongatum	VU	天坑耳蕨	Polystichum tiankengicola	EN
海南蹄盖蕨	Athyrium hainanense	EN	长柄新月蕨	Pronephrium longipetiolatum	CR
小蹄盖蕨	Athyrium minimum	EN	尾羽假毛蕨	Pseudocyclosorus caudipinnus	CR
启无蹄盖蕨	Athyrium wangii	VU	罗浮牙蕨	Pteridrys lofouensis	CR
海南实蕨	Bolbitis hainanensis	CR	细叶凤尾蕨	Pteris angustipinna	CR
高平蕨	Caobangia squamata*	VU	十字假瘤蕨	Selliguea cruciformis*	CR
边果蕨	Craspedosorus sinensis	EN	大围山假瘤蕨	Selliguea daweishanensis	VU
滇桂肋毛蕨	Ctenitis dianguiensis	EN	圆顶假瘤蕨	Selliguea obtusa	VU
焕镛钩毛蕨	Cyclogramma chunii	EN	屏边溪边蕨	Stegnogramma dictyoclinoides*	EN
秦氏贯众	Cyrtomium chingianum	EN	天长罗曼蕨	Struthiopteris eburnea var. obtusa	VU
惠水贯众	Cyrtomium grossum	EN	黑柄叉蕨	Tectaria ebenina*	CR
邢氏贯众	Cyrtomium shingianum	EN	粗齿叉蕨	Tectaria grossedentata	EN
新宁贯众	Cyrtomium sinningense	EN	河口叉蕨	Tectaria hekouensis	CR
台湾贯众	Cyrtomium taiwanianum	EN	五裂叶叉蕨	Tectaria quinquefida*	EN
光叶蕨	Cystopteris chinensis	EN	海南符藤蕨	Teratophyllum hainanense*	EN
海南对囊蕨	Deparia hainanensis	EN	冈本氏岩蕨	Woodsia okamotoi	CR

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