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<document id="AC09F1290073D984EB5496076FADE4E3" ID-DOI="10.11646/phytotaxa.289.2.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="13644466" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725366312355" checkinUser="felipe" docAuthor="Sang, Xiaoyu, Li, Xuedong, Wang, Yanwei &amp; Fan, Li" docDate="2016" docId="039887810B15FFACFF54C4EE119CF7B0" docLanguage="en" docName="phytotaxa.289.2.1.pdf" docOrigin="Phytotaxa 289 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.289.2.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Russula megapseudocystidiata X. Y. Sang &amp; L. Fan BJTC FAN 2016, sp. nov." docType="treatment" docVersion="2" lastPageNumber="112" masterDocId="FFA1FFF90B1EFFA7FFDCC6301278FFB9" masterDocTitle="Four new sequestrate species of Russulaceae found in China" masterLastPageNumber="117" masterPageNumber="101" pageNumber="112" updateTime="1725367121981" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="0854154B2E7F7FB5D7CCB2B128D19F2A">Four new sequestrate species of Russulaceae found in China</mods:title>
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<mods:namePart id="E609C77137666E77A7F29E7CBB8AE78C">Sang, Xiaoyu</mods:namePart>
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<mods:namePart id="3AFEA7E1CFFA9BEF8BB509E5FBF8085D">Li, Xuedong</mods:namePart>
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<mods:namePart id="D1606A03757C7BBEEC04D0395DC34B35">Wang, Yanwei</mods:namePart>
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<mods:namePart id="8B7AF73C3EBE1DEA727B7B22F55B98CF">Fan, Li</mods:namePart>
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<mods:title id="F0F9E00C603A968CE8BE6B63EB2D7159">Phytotaxa</mods:title>
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<mods:date id="A4E73CC8E23D932C5DD077F0DF269830">2016</mods:date>
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<treatment id="039887810B15FFACFF54C4EE119CF7B0" LSID="urn:lsid:plazi:treatment:039887810B15FFACFF54C4EE119CF7B0" httpUri="http://treatment.plazi.org/id/039887810B15FFACFF54C4EE119CF7B0" lastPageNumber="112" pageId="11" pageNumber="112">
<subSubSection id="C32B651C0B15FFACFF54C4EE13F6FCA4" pageId="11" pageNumber="112" type="nomenclature">
<paragraph id="8B8E36970B15FFACFF54C4EE1197FD40" blockId="11.[136,1007,734,761]" box="[136,1007,734,761]" pageId="11" pageNumber="112">
<heading id="D0C681FB0B15FFACFF54C4EE1197FD40" box="[136,1007,734,761]" fontSize="11" level="2" pageId="11" pageNumber="112" reason="3">
<taxonomicName id="4C314D140B15FFACFF54C4EE10A9FD40" ID-CoL="4TS8H" authority="X.Y. Sang &amp; L. Fan" authorityName="X. Y. Sang &amp; L. Fan BJTC FAN" authorityYear="2016" box="[136,721,734,761]" class="Agaricomycetes" family="Russulaceae" genus="Russula" kingdom="Fungi" order="Russulales" pageId="11" pageNumber="112" phylum="Basidiomycota" rank="species" species="megapseudocystidiata" status="sp. nov.">
<emphasis id="B945EA850B15FFACFF54C4EE1390FD40" bold="true" box="[136,488,734,761]" italics="true" pageId="11" pageNumber="112">Russula megapseudocystidiata</emphasis>
X.Y. Sang &amp; L. Fan
</taxonomicName>
,
<emphasis id="B945EA850B15FFACFD00C4D01149FD40" box="[732,817,736,761]" italics="true" pageId="11" pageNumber="112">
<taxonomicNameLabel id="A27657FE0B15FFACFD00C4D01149FD40" box="[732,817,736,761]" pageId="11" pageNumber="112" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="130A2A120B15FFACFC9CC4D011FCFD40" box="[832,900,736,761]" captionStart="FIGURE 6" captionStartId="12.[136,229,1984,2005]" captionTargetBox="[295,1359,224,1950]" captionTargetId="figure-18@12.[227,1361,190,1959]" captionTargetPageId="12" captionText="FIGURE 6. Russula megapseudocystidiata (BJTC FAN454, holotype). A. Basidia. B. Pseudocystidia. C. Hymenophoral cystidia. D. Basidiospores. E. Peridiopellis and peridial context. F. Hymenophoral trama and hymenium. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13644478" httpUri="https://zenodo.org/record/13644478/files/figure.png" pageId="11" pageNumber="112">Fig. 6</figureCitation>
,
<figureCitation id="130A2A120B15FFACFC4CC4D0119FFD40" box="[912,999,736,761]" captionStart="FIGURE 7" captionStartId="13.[136,229,1459,1480]" captionTargetBox="[186,1401,190,1434]" captionTargetId="figure-14@13.[186,1401,190,1434]" captionTargetPageId="13" captionText="FIGURE 7. Scanning electron micrograph (SEM) of basidiospores. A. Lactarius spinosporus (holotype). B. Russula absphaerocellaris (holotype). C. Russula brevipileocystidiata (holotype). D. Russula megapseudocystidiata (holotype). Scale bar = 5 μm." figureDoi="http://doi.org/10.5281/zenodo.13644480" httpUri="https://zenodo.org/record/13644480/files/figure.png" pageId="11" pageNumber="112">Fig. 7D</figureCitation>
)
</heading>
</paragraph>
<paragraph id="8B8E36970B15FFACFF54C53413F6FCA4" blockId="11.[136,398,772,797]" box="[136,398,772,797]" pageId="11" pageNumber="112">Mycobank: MB819371</paragraph>
</subSubSection>
<subSubSection id="C32B651C0B15FFACFF54C57E119AFA54" pageId="11" pageNumber="112" type="materials_examined">
<paragraph id="8B8E36970B15FFACFF54C57E1128FC3E" blockId="11.[136,1451,846,903]" pageId="11" pageNumber="112">
Type:—
<collectingCountry id="F32676070B15FFACFF0BC57E135EFCDA" box="[215,294,846,867]" name="China" pageId="11" pageNumber="112">CHINA</collectingCountry>
.
<collectingRegion id="49F5F8750B15FFACFEEDC57E13FAFCDA" box="[305,386,846,867]" country="China" name="Sichuan" pageId="11" pageNumber="112">Sichuan</collectingRegion>
: Panzhihua City, in soil under mixed woodlands dominated by
<taxonomicName id="4C314D140B15FFACFC22C57E16E8FCDA" box="[1022,1168,846,867]" class="Pinopsida" family="Pinaceae" genus="Pinus" kingdom="Plantae" order="Pinales" pageId="11" pageNumber="112" phylum="Tracheophyta" rank="species" species="yunnanensis">
<emphasis id="B945EA850B15FFACFC22C57E16E8FCDA" box="[1022,1168,846,867]" italics="true" pageId="11" pageNumber="112">P. yunnanensis</emphasis>
</taxonomicName>
,
<date id="FF8F10570B15FFACFB42C57E175BFCDA" box="[1182,1315,846,867]" pageId="11" pageNumber="112" value="2014-11-23">23 Nov 2014</date>
,
<emphasis id="B945EA850B15FFACFAECC57E17DEFCDA" box="[1328,1446,846,867]" italics="true" pageId="11" pageNumber="112">CJZ 1534-1</emphasis>
,
<collectionCode id="ED20AE520B15FFACFF61C5421294FC3E" box="[189,236,882,903]" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13665" lsid="urn:lsid:biocol.org:col:13665" name="Museum of Fanjingshan National Nature Reserve" pageId="11" pageNumber="112" type="Herbarium">FAN</collectionCode>
454 (
<collectionCode id="ED20AE520B15FFACFEC1C5421325FC3E" box="[285,349,882,903]" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:12749" lsid="urn:lsid:biocol.org:col:12749" name="Capital Normal University" pageId="11" pageNumber="112" type="Herbarium">BJTC</collectionCode>
!), collected by
<collectionCode id="ED20AE520B15FFACFE30C542138FFC3E" box="[492,503,882,903]" country="South Africa" lsid="urn:lsid:biocol.org:col:14647" name="University of the Witwatersrand" pageId="11" pageNumber="112" type="Herbarium">J</collectionCode>
.
<collectionCode id="ED20AE520B15FFACFE27C5421075FC3E" box="[507,525,882,903]" country="Switzerland" name="Universität Zürich" pageId="11" pageNumber="112" type="Herbarium">Z</collectionCode>
. Cao (
<typeStatus id="548A88350B15FFACFD96C54210D0FC3E" box="[586,680,882,903]" pageId="11" pageNumber="112" type="holotype">Holotype</typeStatus>
:
<collectionCode id="ED20AE520B15FFACFD6DC5421091FC3E" box="[689,745,882,903]" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:12749" lsid="urn:lsid:biocol.org:col:12749" name="Capital Normal University" pageId="11" pageNumber="112" type="Herbarium">BJTC</collectionCode>
<collectionCode id="ED20AE520B15FFACFD33C5421159FC3E" box="[751,801,882,903]" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13665" lsid="urn:lsid:biocol.org:col:13665" name="Museum of Fanjingshan National Nature Reserve" pageId="11" pageNumber="112" type="Herbarium">FAN</collectionCode>
454).
</paragraph>
<paragraph id="8B8E36970B15FFACFF54C5881737FBA0" blockId="11.[136,1455,952,2057]" pageId="11" pageNumber="112">
<emphasis id="B945EA850B15FFACFF54C588136EFC68" box="[136,278,952,977]" italics="true" pageId="11" pageNumber="112">Basidiomata</emphasis>
20–24 ×
<quantity id="4CC99B720B15FFACFEA2C5881380FC68" box="[382,504,952,977]" metricMagnitude="-2" metricUnit="m" metricValue="1.9" metricValueMax="2.0" metricValueMin="1.8" pageId="11" pageNumber="112" unit="mm" value="19.0" valueMax="20.0" valueMin="18.0">18–20 mm</quantity>
, subglobose, plane to concave at apex and depressed at base.
<emphasis id="B945EA850B15FFACFB7CC5881684FC68" box="[1184,1276,952,977]" italics="true" pageId="11" pageNumber="112">Peridial</emphasis>
surface creamy white, yellowish-brown after drying, glabrous, rugulose and deeply grooved.
<taxonomicName id="4C314D140B15FFACFC2FC5EC164FFC4C" authorityName="Forsskal" authorityYear="1776" box="[1011,1079,988,1013]" class="Gastropoda" family="Cymbuliidae" genus="Gleba" kingdom="Animalia" order="Pteropoda" pageId="11" pageNumber="112" phylum="Mollusca" rank="genus">
<emphasis id="B945EA850B15FFACFC2FC5EC164FFC4C" box="[1011,1079,988,1013]" italics="true" pageId="11" pageNumber="112">Gleba</emphasis>
</taxonomicName>
ivory to grey white, margin pale yellow, loculate, locules irregularly dense.
<emphasis id="B945EA850B15FFACFDB4C23010D8FBA0" box="[616,672,1024,1049]" italics="true" pageId="11" pageNumber="112">Stipe</emphasis>
absent.
<taxonomicName id="4C314D140B15FFACFD21C230110AFBA0" authorityName="Westerlund" authorityYear="1878" box="[765,882,1024,1049]" class="Magnoliopsida" family="Nyctaginaceae" genus="Columella" kingdom="Plantae" order="Caryophyllales" pageId="11" pageNumber="112" phylum="Tracheophyta" rank="genus">
<emphasis id="B945EA850B15FFACFD21C230110AFBA0" box="[765,882,1024,1049]" italics="true" pageId="11" pageNumber="112">Columella</emphasis>
</taxonomicName>
absent.
<emphasis id="B945EA850B15FFACFC12C2301674FBA0" box="[974,1036,1024,1049]" italics="true" pageId="11" pageNumber="112">Latex</emphasis>
absent.
<emphasis id="B945EA850B15FFACFBB5C23016DFFBA0" box="[1129,1191,1024,1049]" italics="true" pageId="11" pageNumber="112">Smell</emphasis>
unremarkable.
</paragraph>
<paragraph id="8B8E36970B15FFACFF61C214119AFA54" blockId="11.[136,1455,952,2057]" pageId="11" pageNumber="112">
<emphasis id="B945EA850B15FFACFF61C2141323FB84" box="[189,347,1060,1085]" italics="true" pageId="11" pageNumber="112">Basidiospores</emphasis>
globose to subglobose, 10–15 × 9–13 μm (x = 12.2 ± 1.7 × 11.7 ± 1.3, n = 30) excluding ornamentation,
<collectionCode id="ED20AE520B15FFACFEE2C278132AFBD8" box="[318,338,1096,1121]" country="Ecuador" lsid="urn:lsid:biocol.org:col:14273" name="Universidad Central" pageId="11" pageNumber="112" type="Herbarium">Q</collectionCode>
= 1.00–1.18, colorless to yellowish-brown, slightly thick-walled, completely dissociated after mature, ornamentation amyloid, composed of isolated spines 1–3 μm long, irregularly distributed, usually curved and coalescing the apex of 2 or 3 adjacent spines.
<emphasis id="B945EA850B15FFACFD63C2A01113FB10" box="[703,875,1168,1193]" italics="true" pageId="11" pageNumber="112">Hilar appendix</emphasis>
2–3 μm long, central, cylindrical, straight.
<emphasis id="B945EA850B15FFACFA8AC2A017D4FB10" box="[1366,1452,1168,1193]" italics="true" pageId="11" pageNumber="112">Basidia</emphasis>
23–46 × 6–15 μm, clavate to broadly clavate, broadly cylindrical, mostly 2-spored, the sterigmata up to 2–9 μm long.
<emphasis id="B945EA850B15FFACFF54C2E8134AFB48" box="[136,306,1240,1265]" italics="true" pageId="11" pageNumber="112">Pseudocystidia</emphasis>
40–90 × 5–12 μm, subclavate to clavate with rounded apices, projecting beyond basidia abundantly arising in trama.
<emphasis id="B945EA850B15FFACFE99C2CC13DAFAAC" box="[325,418,1276,1301]" italics="true" pageId="11" pageNumber="112">Cystidia</emphasis>
30–50 × 5–15 μm, fusoid or ventricose, apex obtuse, hyaline.
<emphasis id="B945EA850B15FFACFB83C2CC1728FAAC" box="[1119,1360,1276,1301]" italics="true" pageId="11" pageNumber="112">Hymenophoral trama</emphasis>
40–100 μm wide, composed of interwoven, hyaline hyphae 2–3 μm diam., laticiferous hyphae 2.5–4 μm, sphaerocytes absent;
<emphasis id="B945EA850B15FFACFF54C374135AFAE4" box="[136,290,1348,1373]" italics="true" pageId="11" pageNumber="112">subhymenium</emphasis>
16–40 μm wide, composed of pseudoparenchyma with 2–3 tiers of isodiametric cells 7.5–20 × 5–13 μm.
<emphasis id="B945EA850B15FFACFF54C3581361FA38" box="[136,281,1384,1409]" italics="true" pageId="11" pageNumber="112">Peridiopellis</emphasis>
two-layered: a thin suprapellis composed of repent to erect, hyaline hyphae 10–55 × 2–8 μm; subpellis 45–90 μm thick, composed of irregular, agglutinated pseudoparenchyma with 4–6 tiers of cells 7–25 × 5–10 μm.
<emphasis id="B945EA850B15FFACFF54C3801338FA70" box="[136,320,1456,1481]" italics="true" pageId="11" pageNumber="112">Peridial context</emphasis>
42–75 μm wide, of loosely interwoven, hyaline hyphae 2–5 μm diam. and abundant laticiferous hyphae with refractive granular content, 3–6 μm diam., sphaerocytes absent.
</paragraph>
</subSubSection>
<subSubSection id="C32B651C0B15FFACFF61C3C8168DF9E0" pageId="11" pageNumber="112" type="diagnosis">
<paragraph id="8B8E36970B15FFACFF61C3C8168DF9E0" blockId="11.[136,1455,952,2057]" pageId="11" pageNumber="112">
<emphasis id="B945EA850B15FFACFF61C3C8132EF9A8" bold="true" box="[189,342,1528,1553]" pageId="11" pageNumber="112">Diagnosis:—</emphasis>
Basidiomata 20–24 ×
<quantity id="4CC99B720B15FFACFD92C3C810B1F9A8" box="[590,713,1528,1553]" metricMagnitude="-2" metricUnit="m" metricValue="1.9" metricValueMax="2.0" metricValueMin="1.8" pageId="11" pageNumber="112" unit="mm" value="19.0" valueMax="20.0" valueMin="18.0">18–20 mm</quantity>
, subglobose. Peridial surface creamy white.
<taxonomicName id="4C314D140B15FFACFB62C3C81779F9A8" authorityName="Forsskal" authorityYear="1776" box="[1214,1281,1528,1553]" class="Gastropoda" family="Cymbuliidae" genus="Gleba" kingdom="Animalia" order="Pteropoda" pageId="11" pageNumber="112" phylum="Mollusca" rank="genus">Gleba</taxonomicName>
white to ivory, loculate. Columella absent. Basidiaspores globose to subglobose, with isolated spines, usually curved and coalescing the apex of 2 or 3 adjacent spines. Basidia mostly 2-spored. Pseudocystidia present. Cystidia present.
</paragraph>
</subSubSection>
<subSubSection id="C32B651C0B15FFACFF61C054119CF7B0" pageId="11" pageNumber="112" type="etymology">
<paragraph id="8B8E36970B15FFACFF61C054106AF918" blockId="11.[136,1455,952,2057]" pageId="11" pageNumber="112">
<emphasis id="B945EA850B15FFACFF61C0541330F9C4" bold="true" box="[189,328,1636,1661]" pageId="11" pageNumber="112">Etymology:</emphasis>
—Latin,
<taxonomicName id="4C314D140B15FFACFE65C05410CAF9C4" authorityName="X. Y. Sang &amp; L. Fan BJTC FAN" authorityYear="2016" box="[441,690,1636,1661]" class="Agaricomycetes" family="Russulaceae" genus="Russula" kingdom="Fungi" order="Russulales" pageId="11" pageNumber="112" phylum="Basidiomycota" rank="species" species="megapseudocystidiata">
<emphasis id="B945EA850B15FFACFE65C05410CAF9C4" box="[441,690,1636,1661]" italics="true" pageId="11" pageNumber="112">megapseudocystidiata</emphasis>
</taxonomicName>
= large pseudocystidium, in reference to the large, clavate pseudocystidium in the hymenium.
</paragraph>
<paragraph id="8B8E36970B15FFACFF61C09C102CF950" blockId="11.[136,1455,952,2057]" pageId="11" pageNumber="112">
<emphasis id="B945EA850B15FFACFF61C09C103DF97C" bold="true" box="[189,581,1708,1733]" pageId="11" pageNumber="112">Habit, habitat and distribution:</emphasis>
—hypogeous, gregarious, in soil under mixed woodlands dominated by
<taxonomicName id="4C314D140B15FFACFA4BC09C136AF950" class="Pinopsida" family="Pinaceae" genus="Pinus" kingdom="Plantae" order="Pinales" pageId="11" pageNumber="112" phylum="Tracheophyta" rank="species" species="yunnanensis">
<emphasis id="B945EA850B15FFACFA4BC09C136AF950" italics="true" pageId="11" pageNumber="112">P. yunnanensis</emphasis>
</taxonomicName>
in
<collectingRegion id="49F5F8750B15FFACFEEAC0E01385F950" box="[310,509,1744,1769]" country="China" name="Sichuan" pageId="11" pageNumber="112">Sichuan Province</collectingRegion>
,
<collectingCountry id="F32676070B15FFACFDD5C0E01028F950" box="[521,592,1744,1769]" name="China" pageId="11" pageNumber="112">China</collectingCountry>
.
</paragraph>
<paragraph id="8B8E36970B15FFACFF61C0C4119CF7B0" blockId="11.[136,1455,952,2057]" pageId="11" pageNumber="112">
<emphasis id="B945EA850B15FFACFF61C0C4131DF8B4" bold="true" box="[189,357,1780,1805]" pageId="11" pageNumber="112">Commentary:</emphasis>
—
<taxonomicName id="4C314D140B15FFACFE5DC0C410A7F8B4" authorityName="X. Y. Sang &amp; L. Fan BJTC FAN" authorityYear="2016" box="[385,735,1780,1805]" class="Agaricomycetes" family="Russulaceae" genus="Russula" kingdom="Fungi" order="Russulales" pageId="11" pageNumber="112" phylum="Basidiomycota" rank="species" species="megapseudocystidiata">
<emphasis id="B945EA850B15FFACFE5DC0C410A7F8B4" box="[385,735,1780,1805]" italics="true" pageId="11" pageNumber="112">Russula megapseudocystidiata</emphasis>
</taxonomicName>
is characterized by the combination of long pseudocystidia, two-spored basidia, and basidiospores that are ornamented with isolated, curved spines and coalescing at the apex.
<taxonomicName id="4C314D140B15FFACFF54C10C10C3F8EC" authority="T. Lebel (Lebel 2003: 373)" authorityName="T. Lebel (Lebel" authorityYear="2003" box="[136,699,1852,1877]" class="Agaricomycetes" family="Russulaceae" genus="Cystangium" kingdom="Fungi" order="Russulales" pageId="11" pageNumber="112" phylum="Basidiomycota" rank="species" species="bisporum">
<emphasis id="B945EA850B15FFACFF54C10C13F8F8EC" box="[136,384,1852,1877]" italics="true" pageId="11" pageNumber="112">Cystangium bisporum</emphasis>
T. Lebel (
<bibRefCitation id="EFA04B660B15FFACFE2AC10C10CBF8EC" author="Lebel, T." box="[502,691,1852,1877]" pageId="11" pageNumber="112" pagination="371 - 400" refId="ref7207" refString="Lebel, T. (2003) Australasian sequestrate (truffle-like) fungi. XIII. Cystangium (Russulales, Basidiomycota). Australian Systematic Botany 16 (3): 371 - 400. https: // doi. org / 10.1071 / SB 02016" type="journal article" year="2003">Lebel 2003: 373</bibRefCitation>
)
</taxonomicName>
and
<taxonomicName id="4C314D140B15FFACFD28C10C1619F8EC" authority="Nouhra &amp; Trierv." authorityName="Nouhra &amp; Trierv." box="[756,1121,1852,1877]" class="Agaricomycetes" family="Russulaceae" genus="Cystangium" kingdom="Fungi" order="Russulales" pageId="11" pageNumber="112" phylum="Basidiomycota" rank="species" species="gamundiae">
<emphasis id="B945EA850B15FFACFD28C10C11EAF8EC" box="[756,914,1852,1877]" italics="true" pageId="11" pageNumber="112">C. gamundiae</emphasis>
Nouhra &amp; Trierv.
</taxonomicName>
-Per. (Trierv.-Per.
<emphasis id="B945EA850B15FFACFAF6C10C171CF8EC" box="[1322,1380,1852,1877]" italics="true" pageId="11" pageNumber="112">et al.</emphasis>
2015: 95) resemble the present species in morphology.
<taxonomicName id="4C314D140B15FFACFD77C15011D9F8C0" authorityName="T. Lebel (Lebel" authorityYear="2003" box="[683,929,1888,1913]" class="Agaricomycetes" family="Russulaceae" genus="Cystangium" kingdom="Fungi" order="Russulales" pageId="11" pageNumber="112" phylum="Basidiomycota" rank="species" species="bisporum">
<emphasis id="B945EA850B15FFACFD77C15011D9F8C0" box="[683,929,1888,1913]" italics="true" pageId="11" pageNumber="112">Cystangium bisporum</emphasis>
</taxonomicName>
differs by its peridial context having abundant sphaerocytes and lacking laticiferous hyphae. Furthermore, the peridial surface of
<taxonomicName id="4C314D140B15FFACFB91C1B416A4F824" authorityName="T. Lebel (Lebel" authorityYear="2003" box="[1101,1244,1924,1949]" class="Agaricomycetes" family="Russulaceae" genus="Cystangium" kingdom="Fungi" order="Russulales" pageId="11" pageNumber="112" phylum="Basidiomycota" rank="species" species="bisporum">
<emphasis id="B945EA850B15FFACFB91C1B416A4F824" box="[1101,1244,1924,1949]" italics="true" pageId="11" pageNumber="112">C. bisporum</emphasis>
</taxonomicName>
is smooth (
<bibRefCitation id="EFA04B660B15FFACFAB6C1B412BCF878" author="Lebel, T." pageId="11" pageNumber="112" pagination="371 - 400" refId="ref7207" refString="Lebel, T. (2003) Australasian sequestrate (truffle-like) fungi. XIII. Cystangium (Russulales, Basidiomycota). Australian Systematic Botany 16 (3): 371 - 400. https: // doi. org / 10.1071 / SB 02016" type="journal article" year="2003">Lebel 2003</bibRefCitation>
), whereas it is rugulose and deeply grooved in
<taxonomicName id="4C314D140B15FFACFD16C1981199F878" authorityName="X. Y. Sang &amp; L. Fan BJTC FAN" authorityYear="2016" box="[714,993,1960,1985]" class="Agaricomycetes" family="Russulaceae" genus="Russula" kingdom="Fungi" order="Russulales" pageId="11" pageNumber="112" phylum="Basidiomycota" rank="species" species="megapseudocystidiata">
<emphasis id="B945EA850B15FFACFD16C1981199F878" box="[714,993,1960,1985]" italics="true" pageId="11" pageNumber="112">R. megapseudocystidiata</emphasis>
</taxonomicName>
.
<taxonomicName id="4C314D140B15FFACFC32C198168EF878" box="[1006,1270,1960,1985]" class="Agaricomycetes" family="Russulaceae" genus="Cystangium" kingdom="Fungi" order="Russulales" pageId="11" pageNumber="112" phylum="Basidiomycota" rank="species" species="gamundiae">
<emphasis id="B945EA850B15FFACFC32C198168EF878" box="[1006,1270,1960,1985]" italics="true" pageId="11" pageNumber="112">Cystangium gamundiae</emphasis>
</taxonomicName>
is differentiated from
<taxonomicName id="4C314D140B15FFACFF14C1FC139BF85C" authorityName="X. Y. Sang &amp; L. Fan BJTC FAN" authorityYear="2016" box="[200,483,1996,2021]" class="Agaricomycetes" family="Russulaceae" genus="Russula" kingdom="Fungi" order="Russulales" pageId="11" pageNumber="112" phylum="Basidiomycota" rank="species" species="megapseudocystidiata">
<emphasis id="B945EA850B15FFACFF14C1FC139BF85C" box="[200,483,1996,2021]" italics="true" pageId="11" pageNumber="112">R. megapseudocystidiata</emphasis>
</taxonomicName>
by its basidiomata that usually have the pink to vinaceous hues and columella, and basidiospores with robust, isolated, crowded spines (Trierv.-Per.
<emphasis id="B945EA850B15FFACFC80C1C011EDF7B0" box="[860,917,2032,2057]" italics="true" pageId="11" pageNumber="112">et al.</emphasis>
2015).
</paragraph>
</subSubSection>
</treatment>
</document>
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