160 lines
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160 lines
10 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.9.4440" ID-GBIF-Dataset="92e9da84-c227-4166-a9f5-deedb5391010" ID-GBIF-Taxon="152023710" ID-Pensoft-Pub="1314-4049-9-29" ModsDocAuthor="" ModsDocDate="2015" ModsDocID="1314-4049-9-29" ModsDocOrigin="MycoKeys 9" ModsDocTitle="Freshwater Ascomycetes: Jahnulapurpurea (Jahnulales, Dothideomycetes), a new species on submerged wood from Martinique Island, Lesser Antilles" checkinTime="1451252966686" checkinUser="pensoft" docAuthor="Fournier, Jacques, Raja, Huzefa A. & Shearer, Carol A." docDate="2015" docId="AC3C774354F29AF3739DF09B200B22CD" docLanguage="en" docName="MycoKeys 9: 29-36" docOrigin="MycoKeys 9" docSource="http://dx.doi.org/10.3897/mycokeys.9.4440" docTitle="Jahnula purpurea J. Fourn., Raja & Shearer, sp. nov." docType="treatment" docVersion="2" lastPageId="2" lastPageNumber="31" masterDocId="FFEE6916FFF6507A16314B39543FFFF8" masterDocTitle="Freshwater Ascomycetes: Jahnulapurpurea (Jahnulales, Dothideomycetes), a new species on submerged wood from Martinique Island, Lesser Antilles" masterLastPageNumber="36" masterPageNumber="29" pageId="0" pageNumber="29" updateTime="1643516931660" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Freshwater Ascomycetes: Jahnulapurpurea (Jahnulales, Dothideomycetes), a new species on submerged wood from Martinique Island, Lesser Antilles</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Fournier, Jacques</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Raja, Huzefa A.</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Shearer, Carol A.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>MycoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2015</mods:date>
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<mods:detail type="volume">
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<mods:number>9</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>29</mods:start>
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<mods:end>36</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/mycokeys.9.4440</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.9.4440</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-9-29</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152023710" LSID="urn:lsid:plazi:treatment:AC3C774354F29AF3739DF09B200B22CD" httpUri="http://treatment.plazi.org/id/AC3C774354F29AF3739DF09B200B22CD" lastPageId="2" lastPageNumber="31" pageId="0" pageNumber="29">
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<subSubSection pageId="0" pageNumber="29" type="multiple">
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<paragraph pageId="0" pageNumber="29">Taxon classification Fungi Jahnulales Aliquandostipitaceae</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="29" type="nomenclature">
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<paragraph pageId="0" pageNumber="29">
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<taxonomicName LSID="Mycobank: MB811212" authority="J. Fourn., Raja & Shearer" class="Dothideomycetes" family="Aliquandostipitaceae" genus="Jahnula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Jahnula purpurea" order="Jahnulales" pageId="0" pageNumber="29" phylum="Ascomycota" rank="species" species="purpurea">Jahnula purpurea J. Fourn., Raja & Shearer</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="29">sp. nov.</taxonomicNameLabel>
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Figs 1, 2
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="29" type="holotype">
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<paragraph pageId="0" pageNumber="29">Holotype.</paragraph>
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<paragraph pageId="0" pageNumber="29">
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FWI, Martinique:
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<normalizedToken originalValue="Prêcheur">Precheur</normalizedToken>
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, Anse Couleuvre, Couleuvre River, coastal rainforest,
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="14.836958">14°50'13.05"N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="1" value="-61.22289">61°13'22.40"W</geoCoordinate>
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, on submerged decorticated branch, 03 Jun. 2014, J. Fournier, MJF 14016; (ILLS 72402).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="2" lastPageNumber="31" pageId="0" pageNumber="29" type="description">
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<paragraph pageId="0" pageNumber="29">Description.</paragraph>
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<paragraph lastPageId="2" lastPageNumber="31" pageId="0" pageNumber="29">
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Ascomata 125-185 (-220)
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam, globose to subglobose, scattered or clustered in small groups, immersed-erumpent, the base remaining immersed in the substrate, brownish black appearing black when dry, attached to subtending
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<pageBreakToken pageId="1" pageNumber="30" start="start">golden</pageBreakToken>
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brown hyphae 8-22
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam, smooth, slightly constricted at septa; hyphae form cords developing under the wood surface and linking adjacent ascomata (Fig. 1
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<normalizedToken originalValue="A–D">A-D</normalizedToken>
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); wood beneath ascomata or at the periphery of the colony stained purple; ostiole
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<pageBreakToken pageId="2" pageNumber="31" start="start">non-papillate</pageBreakToken>
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, slightly depressed, pallid, rounded, minute, filled with hyaline periphyses (Fig. 1F). Peridium appearing roughened by protruding cells (Fig. 1B, D), 22-35
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<normalizedToken originalValue="µm">µm</normalizedToken>
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wide, two-layered: outermost layer textura angularis, composed of 1-2 rows of large thick-walled cells 8-18
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in their greatest dimension, extending into hyphal appendages in places (Fig. 1F), more pigmented in upper half, inwardly lined by smaller hyaline flattened cells forming a textura prismatica (Fig. 1E, F). Asci 90-98
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<normalizedToken originalValue="×">x</normalizedToken>
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22.5-25
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, bitunicate, with fissitunicate dehiscence occurring rarely, clavate to slightly obclavate, shortly pedicellate, 4-8-spored, ascospores 1-3 seriate (Fig. 2
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<normalizedToken originalValue="G–I">G-I</normalizedToken>
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); apex without (Fig. 2J) or with a faint truncate ocular chamber (Fig. 2K). Pseudoparaphyses 1-2.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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wide, cellular, often contorted, sparsely septate, rarely anastomosing, embedded in a gel matrix (Fig. 2G, L). Ascospores (23) 24-28 (31)
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<normalizedToken originalValue="×">x</normalizedToken>
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(7) 8-9
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, (mean = 26
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<normalizedToken originalValue="×">x</normalizedToken>
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8
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<normalizedToken originalValue="µm">µm</normalizedToken>
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; n = 60), ellipsoid-fusiform, 1-septate, septum median to slightly submedian (0.53, N = 20), slightly constricted at the septum, upper cell wider and often apically pinched, lower cell obtusely rounded (Fig. 2H, I, M), contents densely guttulate; wall medium brown, minutely verrucose with warts partially in contact and forming a loose reticulate pattern (Fig. 2N), visible in hyaline immature ascospores; no sheath or appendages observed in aqueous nigrosin or India ink (Fig. 2O).
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</paragraph>
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<caption pageId="2" pageNumber="31">
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<paragraph pageId="2" pageNumber="31">
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Figure 1.
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<normalizedToken originalValue="A–F">A-F</normalizedToken>
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<taxonomicName class="Dothideomycetes" family="Aliquandostipitaceae" genus="Jahnula" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Jahnula purpurea" order="Jahnulales" pageId="2" pageNumber="31" phylum="Ascomycota" rank="species" species="purpurea">Jahnula purpurea</taxonomicName>
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(from the HOLOTYPE; MJF 14016, ILLS 72402).
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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Ascomata on submerged wood. Note the purple stain. Arrowheads indicate the subtending superficial hyphae on wood, which connect multiple ascomata on wood D Ascoma in water showing broad hyphae emerging from the base of the fruiting body E, F Longitudinal section through ascoma. Note broad pseudoparenchymatic cells comprising the peridial wall. Scale bars: A, C = 500
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<normalizedToken originalValue="µm">µm</normalizedToken>
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; B = 1 mm; D = 100
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<normalizedToken originalValue="µm">µm</normalizedToken>
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;
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<normalizedToken originalValue="E–F">E-F</normalizedToken>
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= 20
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<normalizedToken originalValue="µm">µm</normalizedToken>
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;
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</paragraph>
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</caption>
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<caption pageId="2" pageNumber="31">
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<paragraph pageId="2" pageNumber="31">
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Figure 2.
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<normalizedToken originalValue="G–I">G-I</normalizedToken>
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Clavate to obclavate asci. J, K Ascus apex showing faint truncate ocular chamber L Pseudoparaphyses
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<normalizedToken originalValue="M–N">M-N</normalizedToken>
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Multiguttulate brown ascospores. Note ascospores showing minutely verrucose warts forming a loose reticulate pattern O Immature ascospore in India ink. Scale bars:
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<normalizedToken originalValue="G–I">G-I</normalizedToken>
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, M = 20
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<normalizedToken originalValue="µm">µm</normalizedToken>
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;
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<normalizedToken originalValue="J–L">J-L</normalizedToken>
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= 5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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; N, O = 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="31" type="etymology">
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<paragraph pageId="2" pageNumber="31">Etymology.</paragraph>
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<paragraph pageId="2" pageNumber="31">
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From Latin
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<normalizedToken originalValue="“purpureus”">"purpureus"</normalizedToken>
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referring to the characteristic staining of the substrate purple by this species.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="31" type="anamorph">
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<paragraph pageId="2" pageNumber="31">Anamorph.</paragraph>
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<paragraph pageId="2" pageNumber="31">Not known.</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="31" type="known distribution">
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<paragraph pageId="2" pageNumber="31">Known distribution.</paragraph>
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<paragraph pageId="2" pageNumber="31">Martinique, Lesser Antilles (Known only from type locality thus far).</paragraph>
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</subSubSection>
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</treatment>
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</document>
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