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<mods:title id="AF03BE6A801CB0029D0C63CDA253667C">Polystichum jinpingense (subg. Haplopolystichum; Dryopteridaceae), a new fern from southeastern Yunnan, China</mods:title>
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<specimenCode id="DB9B276FFA72FFA5FE24FE08B0090EF7" box="[399,542,389,410]" collectionCode="KUN" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15842" lsid="urn:lsid:biocol.org:col:15842" name="Kunming Institute of Botany, Chinese Academy of Sciences" pageId="1" pageNumber="70" type="Herbarium">KUN1497023</specimenCode>
!, isotype 
<collectionCode id="ED2C17D1FA72FFA5FDDDFE08B0AF0EF6" box="[630,696,389,411]" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:12796" lsid="urn:lsid:biocol.org:col:12796" name="Chengdu Institute of Biology" pageId="1" pageNumber="70" type="Herbarium">CDBI</collectionCode>
!)
</materialsCitation>
.
</paragraph>
<paragraph id="8B828F14FA72FFA5FF23FE24B6190D46" blockId="1.[136,1452,317,555]" pageId="1" pageNumber="70">
Diagnosis:— 
<taxonomicName id="4C3DF497FA72FFA5FEACFE24B3E50ED2" authorityName="Z. L. Liang, Liang Zhang &amp; Li Bing Zhang" authorityYear="2022" box="[263,498,425,447]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="jinpingense">
<emphasis id="B9495306FA72FFA5FEACFE24B3E50ED2" box="[263,498,425,447]" italics="true" pageId="1" pageNumber="70">Polystichum jinpingense</emphasis>
</taxonomicName>
is most similar to 
<taxonomicName id="4C3DF497FA72FFA5FD08FE27B6620ED2" authority="Ching ex L. L. Xiang (1994: 261)" authorityName="Ching ex L. L. Xiang" authorityPageNumber="261" authorityYear="1994" box="[675,1141,425,447]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="subacutidens">
<emphasis id="B9495306FA72FFA5FD08FE27B1200ED3" box="[675,823,425,447]" italics="true" pageId="1" pageNumber="70">P. subacutidens</emphasis>
Ching ex L.L. 
<bibRefCitation id="EFACF2E5FA72FFA5FC14FE24B6620ED2" author="Xiang, L. - L." box="[959,1141,425,447]" pageId="1" pageNumber="70" pagination="258 - 267" refId="ref2651" refString="Xiang, L. - L. (1994) A taxonomic study on the Polystichum sect. Holopolystichum from Yunnan. Acta Phytotaxonomica Sinica 32: 258 - 267." type="journal article" year="1994">Xiang (1994: 261)</bibRefCitation>
</taxonomicName>
by having similar plant size and numerous pairs of pinnae, but the former has more or less straight pinnae forming a right angle with rachis (vs. mostly reflexed in the latter), pinna margins undulate (vs. serrate in the latter), pinna apex round (vs. acute in the latter), and sori that are closer to pinna margins (vs. sori that are in the middle between pinna margins and midribs in the latter).
</paragraph>
<paragraph id="8B828F14FA72FFA5FF23FDD4B0930A4D" blockId="1.[136,1452,601,2032]" pageId="1" pageNumber="70">
Plants perennial, evergreen, (38–) 
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tall. Rhizomes erect, ca. 
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long, ca. 
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in diam., with remnant bases of old petioles; roots dull brown when dried, up to 
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long, ca. 
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in diam. Leaves in tufts; petioles 
<quantity id="4CC522F1FA72FFA5FAD1FDF0B2F40DD1" metricMagnitude="-1" metricUnit="m" metricValue="1.3" metricValueMax="1.65" metricValueMin="0.95" pageId="1" pageNumber="70" unit="cm" value="13.0" valueMax="16.5" valueMin="9.5">9.5– 16.5 cm</quantity>
long, ca. 
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in diam., stramineous basal portions covered with scales; proximal petiole scales ovate to ovate-lanceolate, 1–2 × 
<quantity id="4CC522F1FA72FFA5FE38FD48B0110D8D" box="[403,518,709,736]" metricMagnitude="-4" metricUnit="m" metricValue="7.5" metricValueMax="10.0" metricValueMin="5.0" pageId="1" pageNumber="70" unit="mm" value="0.75" valueMax="1.0" valueMin="0.5">0.5–1 mm</quantity>
, papery, dull brown or brown, margins subentire, apex acuminate, cells rectangular in the middle, twisted in the margins; distal petiole scales ovate-lanceolate, 0.8–1.2 × 
<quantity id="4CC522F1FA72FFA5FBD3FD67B7130C69" box="[1144,1284,746,772]" metricMagnitude="-4" metricUnit="m" metricValue="6" metricValueMax="8.0" metricValueMin="4.0" pageId="1" pageNumber="70" unit="mm" value="0.6" valueMax="0.8" valueMin="0.4">0.4–0.8 mm</quantity>
, membranous, margins subentire, apex long-acuminate or caudate. Laminae lanceolate, 1-pinnate, (25.5–) 
<quantity id="4CC522F1FA72FFA5FB32FC80B71C0C45" box="[1177,1291,781,808]" metricMagnitude="-1" metricUnit="m" metricValue="3.0" metricValueMax="3.2" metricValueMin="2.8" pageId="1" pageNumber="70" unit="cm" value="30.0" valueMax="32.0" valueMin="28.0">28–32 cm</quantity>
long, 
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wide, apex acuminate; rachises ca. 
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in diam., stramineous, adaxially sulcate; rachis scales ovate or ovatelanceolate, light brown, up to 
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long including tip, 
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wide at base, margins fimbriate, apex long-caudate; or scales bristle-like, ca 
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long, margins entire and fimbriate at base. Pinnae in 58–62 pairs, alternate, separate from each other, 
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distance, oblong, base cuneiform, apex cuspidate, papery, maximal pinnae 0.9–1.3 × 
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, basal pinnae narrowing down and basal 1 pair reflexed, largest pinnae located above middle part of lamina, proximal margins not overlapping rachis, acroscopic and basiscopic margins cartilaginous, undulate or with irregular teeth, forming a (80–)90–100° angle with rachis, apex acuminate; basal pinnae margins undulate or entire, apex obtuse; pinna petioles 
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long; adaxially glabrous; abaxially with microscales; microscales broad, ovate or ovatelanceolate, or lanceolate, whitish brown, 0.5–1(–1.5) mm long, 
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wide at base, margins fimbriate; costa sunken abaxially and protruding adaxially, veins obscure and invisible on adaxial side, bulging and thickened on abaxial side, lateral veins free, forked. All pinnae bear sori on fertile fronds excluding 5–8 pairs at base; sori terminal on lateral veins of fertile pinnae, 
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in diam., closer to pinna margins than to midrib (centers of sori 
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from pinna margins, 
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from midrib), 1–3 on acroscopic side and 6–8 on distal basiscopic side, centers 
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apart from one another. Indusia not seen.
</paragraph>
<paragraph id="8B828F14FA72FFA5FF16FAA4B0FB0A05" blockId="1.[136,1452,601,2032]" pageId="1" pageNumber="70">
<emphasis id="B9495306FA72FFA5FF16FAA4B3E10A2E" bold="true" box="[189,502,1321,1347]" pageId="1" pageNumber="70">Geographical distribution</emphasis>
:— 
<taxonomicName id="4C3DF497FA72FFA5FDB2FAA4B1390A2E" authorityName="Z. L. Liang, Liang Zhang &amp; Li Bing Zhang" authorityYear="2022" box="[537,814,1321,1347]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="jinpingense">
<emphasis id="B9495306FA72FFA5FDB2FAA4B1390A2E" box="[537,814,1321,1347]" italics="true" pageId="1" pageNumber="70">Polystichum jinpingense</emphasis>
</taxonomicName>
is only found in Jinping County, 
<collectingRegion id="49F941F6FA72FFA5FB1AFAA7B7610A2E" box="[1201,1398,1321,1348]" country="China" name="Yunnan" pageId="1" pageNumber="70">Yunnan Province</collectingRegion>
, and may represent an endemic species to southern 
<collectingRegion id="49F941F6FA72FFA5FD24FAC3B0FF0A05" box="[655,744,1358,1384]" country="China" name="Yunnan" pageId="1" pageNumber="70">Yunnan</collectingRegion>
.
</paragraph>
</subSubSection>
<subSubSection id="C327DC9FFA72FFA5FF16FAFFB73A0971" pageId="1" pageNumber="70" type="biology_ecology">
<paragraph id="8B828F14FA72FFA5FF16FAFFB3A00ADD" blockId="1.[136,1452,601,2032]" pageId="1" pageNumber="70">
<emphasis id="B9495306FA72FFA5FF16FAFFB30B0AE1" bold="true" box="[189,284,1394,1420]" pageId="1" pageNumber="70">Ecology</emphasis>
:— 
<taxonomicName id="4C3DF497FA72FFA5FEEBFAFCB0440AE6" authorityName="Z. L. Liang, Liang Zhang &amp; Li Bing Zhang" authorityYear="2022" box="[320,595,1393,1419]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="jinpingense">
<emphasis id="B9495306FA72FFA5FEEBFAFCB0440AE6" box="[320,595,1393,1419]" italics="true" pageId="1" pageNumber="70">Polystichum jinpingense</emphasis>
</taxonomicName>
was observed to grow on limestone rocks in the planted forest at elevations between 1800 and 
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.
</paragraph>
<paragraph id="8B828F14FA72FFA5FF16FA34B73A0971" blockId="1.[136,1452,601,2032]" pageId="1" pageNumber="70">
<emphasis id="B9495306FA72FFA5FF16FA34B3E70AB9" bold="true" box="[189,496,1465,1492]" pageId="1" pageNumber="70">IUCN Red List category</emphasis>
:—Only one population of 
<taxonomicName id="4C3DF497FA72FFA5FC9EFA34B65A0ABE" authorityName="Z. L. Liang, Liang Zhang &amp; Li Bing Zhang" authorityYear="2022" box="[821,1101,1465,1491]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="jinpingense">
<emphasis id="B9495306FA72FFA5FC9EFA34B65A0ABE" box="[821,1101,1465,1491]" italics="true" pageId="1" pageNumber="70">Polystichum jinpingense</emphasis>
</taxonomicName>
was found in Jinping. Based on current information and following the IUCN (The International Union for Conservation of Nature and Natural Resources) guidelines (
<bibRefCitation id="EFACF2E5FA72FFA5FE26F98FB00A0971" author="IUCN" box="[397,541,1538,1564]" pageId="1" pageNumber="70" refId="ref2243" refString="IUCN. (2017) The IUCN Red List of Threatened Species. Version 2017 - 1. Available from: www. iucnredlist. org (accessed 10 March 2022)" type="book" year="2017">IUCN, 2017</bibRefCitation>
), this new species should be classified as Critically Endangered (CR).
</paragraph>
</subSubSection>
<subSubSection id="C327DC9FFA72FFA5FF16F9ABB376089D" pageId="1" pageNumber="70" type="etymology">
<paragraph id="8B828F14FA72FFA5FF16F9ABB0F609E5" blockId="1.[136,1452,601,2032]" pageId="1" pageNumber="70">
<emphasis id="B9495306FA72FFA5FF16F9ABB329092D" bold="true" box="[189,318,1574,1600]" pageId="1" pageNumber="70">Etymology</emphasis>
:—The species epithet 
<taxonomicName id="4C3DF497FA72FFA5FDF3F9ABB0CE0952" authorityName="Z. L. Liang, Liang Zhang &amp; Li Bing Zhang" authorityYear="2022" box="[600,729,1574,1599]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="jinpingense">
<emphasis id="B9495306FA72FFA5FDF3F9ABB0CE0952" box="[600,729,1574,1599]" italics="true" pageId="1" pageNumber="70">jinpingense</emphasis>
</taxonomicName>
is based on the Chinese pinyin, 
<emphasis id="B9495306FA72FFA5FBD6F9ABB6DB0952" box="[1149,1228,1574,1599]" italics="true" pageId="1" pageNumber="70">jinping</emphasis>
, the county name in southeastern 
<collectingRegion id="49F941F6FA72FFA5FE96F9C7B3810909" box="[317,406,1610,1636]" country="China" name="Yunnan" pageId="1" pageNumber="70">Yunnan</collectingRegion>
, and the Latin suffix 
<emphasis id="B9495306FA72FFA5FD38F9C7B0D8090E" box="[659,719,1610,1635]" italics="true" pageId="1" pageNumber="70">-ense</emphasis>
, of origin, referring to the 
<typeStatus id="548631B6FA72FFA5FBA5F9C7B6290909" box="[1038,1086,1610,1636]" pageId="1" pageNumber="70">type</typeStatus>
locality and the current known distribution of the species in Jinping County, 
<collectingRegion id="49F941F6FA72FFA5FD28F9E3B0CB09E5" box="[643,732,1646,1672]" country="China" name="Yunnan" pageId="1" pageNumber="70">Yunnan</collectingRegion>
.
</paragraph>
<paragraph id="8B828F14FA72FFA5FF16F91FB0CA09C1" blockId="1.[136,1452,601,2032]" box="[189,733,1681,1708]" pageId="1" pageNumber="70">
<emphasis id="B9495306FA72FFA5FF16F91FB39B09C1" bold="true" box="[189,396,1682,1708]" pageId="1" pageNumber="70">Vernacular name</emphasis>
:— 
<emphasis id="B9495306FA72FFA5FE1BF91EB00809C7" bold="true" box="[432,543,1683,1706]" pageId="1" pageNumber="70">İ平Ąĸ</emphasis>
(jin ping er jue).
</paragraph>
<paragraph id="8B828F14FA72FFA5FF16F938B376089D" blockId="1.[136,1452,601,2032]" pageId="1" pageNumber="70">
<emphasis id="B9495306FA72FFA5FF16F938B39109BD" bold="true" box="[189,390,1717,1744]" pageId="1" pageNumber="70">Taxonomic notes</emphasis>
:— 
<taxonomicName id="4C3DF497FA72FFA5FE01F938B0AB09A2" authorityName="Z. L. Liang, Liang Zhang &amp; Li Bing Zhang" authorityYear="2022" box="[426,700,1717,1743]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="jinpingense">
<emphasis id="B9495306FA72FFA5FE01F938B0AB09A2" box="[426,700,1717,1743]" italics="true" pageId="1" pageNumber="70">Polystichum jinpingense</emphasis>
</taxonomicName>
was initially identified as 
<taxonomicName id="4C3DF497FA72FFA5FC4EF93BB68409A2" authorityName="Ching ex L. L. Xiang" authorityYear="1994" box="[997,1171,1717,1743]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="subacutidens">
<emphasis id="B9495306FA72FFA5FC4EF93BB68409A2" box="[997,1171,1717,1743]" italics="true" pageId="1" pageNumber="70">P. subacutidens</emphasis>
</taxonomicName>
for its striking similarity of numerous pairs of pinnae to those of the latter. 
<taxonomicName id="4C3DF497FA72FFA5FD13F954B1CC099E" authorityName="Ching ex L. L. Xiang" authorityYear="1994" box="[696,987,1753,1779]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="subacutidens">
<emphasis id="B9495306FA72FFA5FD13F954B1CC099E" box="[696,987,1753,1779]" italics="true" pageId="1" pageNumber="70">Polystichum subacutidens</emphasis>
</taxonomicName>
was the only species known in the genus with so many pairs of pinnae (
<bibRefCitation id="EFACF2E5FA72FFA5FE76F970B0720875" author="Xiang, L. - L." box="[477,613,1789,1816]" pageId="1" pageNumber="70" pagination="258 - 267" refId="ref2651" refString="Xiang, L. - L. (1994) A taxonomic study on the Polystichum sect. Holopolystichum from Yunnan. Acta Phytotaxonomica Sinica 32: 258 - 267." type="journal article" year="1994">Xiang 1994</bibRefCitation>
, 
<bibRefCitation id="EFACF2E5FA72FFA5FDDAF970B18D0875" author="Zhang, L. - B. &amp; Barrington, D. S." box="[625,922,1789,1816]" pageId="1" pageNumber="70" pagination="629 - 713" refId="ref2682" refString="Zhang, L. - B. &amp; Barrington, D. S. (2013) Polystichum. In: Wu, Z. - Y., Raven, P. H. &amp; Hong, D. - Y. (Eds.) Flora of China, vols. 2 - 3. Science Press, Beijing &amp; Missouri Botanical Garden Press, St. Louis, pp. 629 - 713." type="book chapter" year="2013">Zhang &amp; Barrington 2013</bibRefCitation>
). Careful comparison showed that they two are quite different morphologically. In addition, 
<taxonomicName id="4C3DF497FA72FFA5FD20F8AFB13C0856" authorityName="Z. L. Liang, Liang Zhang &amp; Li Bing Zhang" authorityYear="2022" box="[651,811,1826,1851]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="jinpingense">
<emphasis id="B9495306FA72FFA5FD20F8AFB13C0856" box="[651,811,1826,1851]" italics="true" pageId="1" pageNumber="70">P. jinpingense</emphasis>
</taxonomicName>
grows at higher elevations (
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), whereas 
<taxonomicName id="4C3DF497FA72FFA5FA3CF8AFB30D0832" authorityName="Ching ex L. L. Xiang" authorityYear="1994" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="subacutidens">
<emphasis id="B9495306FA72FFA5FA3CF8AFB30D0832" italics="true" pageId="1" pageNumber="70">P. subacutidens</emphasis>
</taxonomicName>
occurs between 
<quantity id="4CC522F1FA72FFA5FE78F8C8B074080D" box="[467,611,1861,1888]" metricMagnitude="3" metricUnit="m" metricValue="1.1" metricValueMax="1.5" metricValueMin="0.7" pageId="1" pageNumber="70" unit="m" value="1100.0" valueMax="1500.0" valueMin="700.0">700–1500 m</quantity>
. Interestingly, both 
<taxonomicName id="4C3DF497FA72FFA5FC95F8CBB1CD0832" authorityName="Z. L. Liang, Liang Zhang &amp; Li Bing Zhang" authorityYear="2022" box="[830,986,1862,1887]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="jinpingense">
<emphasis id="B9495306FA72FFA5FC95F8CBB1CD0832" box="[830,986,1862,1887]" italics="true" pageId="1" pageNumber="70">P. jinpingense</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C3DF497FA72FFA5FBA4F8CBB6AC0832" authorityName="Ching ex L. L. Xiang" authorityYear="1994" box="[1039,1211,1861,1887]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="subacutidens">
<emphasis id="B9495306FA72FFA5FBA4F8CBB6AC0832" box="[1039,1211,1861,1887]" italics="true" pageId="1" pageNumber="70">P. subacutidens</emphasis>
</taxonomicName>
were first discovered and have 
<typeStatus id="548631B6FA72FFA5FF5CF8E7B32508E9" box="[247,306,1898,1924]" pageId="1" pageNumber="70">types</typeStatus>
collected from the same county. Now the known distribution of 
<taxonomicName id="4C3DF497FA72FFA5FBB0F8E7B6DC08EE" authorityName="Ching ex L. L. Xiang" authorityYear="1994" box="[1051,1227,1897,1923]" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="subacutidens">
<emphasis id="B9495306FA72FFA5FBB0F8E7B6DC08EE" box="[1051,1227,1897,1923]" italics="true" pageId="1" pageNumber="70">P. subacutidens</emphasis>
</taxonomicName>
has been expanded to southern Guizhou (Changshun, Ziyun), northwestern Guangxi (Leye, Nandan), in addition to southeastern Yunnan (
<bibRefCitation id="EFACF2E5FA72FFA5FF3BF83CB3AE08A1" author="Zhang, L. - B. &amp; Barrington, D. S." box="[144,441,1969,1996]" pageId="1" pageNumber="70" pagination="629 - 713" refId="ref2682" refString="Zhang, L. - B. &amp; Barrington, D. S. (2013) Polystichum. In: Wu, Z. - Y., Raven, P. H. &amp; Hong, D. - Y. (Eds.) Flora of China, vols. 2 - 3. Science Press, Beijing &amp; Missouri Botanical Garden Press, St. Louis, pp. 629 - 713." type="book chapter" year="2013">Zhang &amp; Barrington 2013</bibRefCitation>
). It is even found in northern 
<collectingCountry id="F32ACF84FA72FFA5FCABF83CB14808A6" box="[768,863,1969,1995]" name="Vietnam" pageId="1" pageNumber="70">Vietnam</collectingCountry>
(
<bibRefCitation id="EFACF2E5FA72FFA5FCC6F83FB61808A1" author="Lu, N. T. &amp; Zhang, L. &amp; Zhang, L. - B." box="[877,1039,1969,1996]" pageId="1" pageNumber="70" pagination="115 - 123" refId="ref2376" refString="Lu, N. T., Zhang, L. &amp; Zhang, L. - B. (2014) Ten new records of Polystichum (Dryopteridaceae) for Vietnam and lectotypification of Polystichum atroviridissimum and P. fimbriatum. Phytotaxa 164: 115 - 123. https: // doi. org / 10.11646 / phytotaxa. 164.2.5" type="journal article" year="2014">
Lu 
<emphasis id="B9495306FA72FFA5FC3FF83FB1DB08A6" box="[916,972,1969,1995]" italics="true" pageId="1" pageNumber="70">et al.</emphasis>
2014
</bibRefCitation>
). It remains to discover where else 
<taxonomicName id="4C3DF497FA72FFA5FA3CF83FB31E0882" authorityName="Z. L. Liang, Liang Zhang &amp; Li Bing Zhang" authorityYear="2022" class="Polypodiopsida" family="Dryopteridaceae" genus="Polystichum" kingdom="Plantae" order="Polypodiales" pageId="1" pageNumber="70" phylum="Tracheophyta" rank="species" species="jinpingense">
<emphasis id="B9495306FA72FFA5FA3CF83FB31E0882" italics="true" pageId="1" pageNumber="70">P. jinpingense</emphasis>
</taxonomicName>
occurs.
</paragraph>
</subSubSection>
</treatment>
</document>