211 lines
15 KiB
XML
211 lines
15 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.135.46624" ID-PMC="PMC6908509" ID-Pensoft-Pub="1314-2003-135-105" ID-Pensoft-UUID="833366A1092A506D8C9D379AFC26365D" ID-PubMed="31849562" ModsDocID="1314-2003-135-105" checkinTime="1575564999394" checkinUser="pensoft" docAuthor="Pereira, Jovani B. S., Giulietti, Ana Maria, Pott, Vali J. & Watanabe, Mauricio T. C." docDate="2019" docId="60F1455B67835663AE6E519272C77725" docLanguage="en" docName="PhytoKeys 135: 105-117" docOrigin="PhytoKeys 135" docSource="http://dx.doi.org/10.3897/phytokeys.135.46624" docTitle="Isoetes amazonica A. Braun, J. Bot. 18: 109. 1880" docType="treatment" docVersion="5" id="833366A1092A506D8C9D379AFC26365D" lastPageNumber="105" masterDocId="833366A1092A506D8C9D379AFC26365D" masterDocTitle="Rediscovering two Isoetes species in the Brazilian Amazon and Cerrado after 167 years" masterLastPageNumber="117" masterPageNumber="105" pageNumber="105" updateTime="1668139551366" 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>Rediscovering two Isoetes species in the Brazilian Amazon and Cerrado after 167 years</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>Pereira, Jovani B. S.</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>Giulietti, Ana Maria</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>Pott, Vali J.</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>Watanabe, Mauricio T. C.</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>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>135</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>105</mods:start>
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<mods:end>117</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/phytokeys.135.46624</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/phytokeys.135.46624</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-135-105</mods:identifier>
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<mods:identifier type="Pensoft-UUID">833366A1092A506D8C9D379AFC26365D</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="160631073" LSID="urn:lsid:plazi:treatment:60F1455B67835663AE6E519272C77725" httpUri="http://treatment.plazi.org/id/60F1455B67835663AE6E519272C77725" lastPageNumber="105" pageId="0" pageNumber="105">
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<subSubSection pageId="0" pageNumber="105" type="nomenclature">
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<paragraph pageId="0" pageNumber="105">
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<taxonomicName LSID="60F1455B-6783-5663-AE6E-519272C77725" authority="A. Braun, J. Bot. 18: 109. 1880." class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes amazonica" order="Isoetales" pageId="0" pageNumber="105" phylum="Tracheophyta" rank="species" species="amazonica">Isoetes amazonica A. Braun, J. Bot. 18: 109. 1880.</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="105" type="description">
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<paragraph pageId="0" pageNumber="105">Description.</paragraph>
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<paragraph pageId="0" pageNumber="105">
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Stems globose, 0.35-0.7 cm wide, 3-lobate. Leaves 0.45-1 mm wide at mid length, 4-17 cm long, 9-23 per individual, filiform, straight, ascending, apex acute; alae 0.8-4.5 cm long, extending from the base 1/10 - 1/4 of total leaf length, hyaline, membranaceous, attenuate. Subula present, olive green, trigonal. Labium present, 0.5-0.7
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<normalizedToken originalValue="×">x</normalizedToken>
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0.9-1.1 mm long, cordate. Ligule 2.5-3
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<normalizedToken originalValue="×">x</normalizedToken>
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1-1.2 mm, hyaline, triangular. Velum 0.1-0.2 mm along the lateral edges of the sporangium, rudimentary. Sclerified phyllopodia absent. Sporangium at the base of the leaf, 2-2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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1.8-2.5mm, elliptic, hyaline, light brown, brown dots present or absent. Megaspores white, 420-512 (-590)
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in equatorial diameter (average = 490
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), trilete; laesurae as wide as high or higher than wide, 40-53
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<normalizedToken originalValue="×">x</normalizedToken>
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35-47
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<normalizedToken originalValue="µm">µm</normalizedToken>
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; proximal surface verrucate, projections 24-41.4
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<normalizedToken originalValue="×">x</normalizedToken>
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24-46
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<normalizedToken originalValue="µm">µm</normalizedToken>
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; equatorial ridges arched, slightly sinuous; distal surface verrucate, macroscuptural projections 25-45
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<normalizedToken originalValue="×">x</normalizedToken>
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25-46
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<normalizedToken originalValue="µm">µm</normalizedToken>
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. Microspores 28-32
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<normalizedToken originalValue="µm">µm</normalizedToken>
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long (average = 30
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), proximal surface echinate, distal surface sparsely echinate.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="105" type="materials_examined">
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<paragraph pageId="0" pageNumber="105">Type.</paragraph>
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<paragraph pageId="0" pageNumber="105">
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Brazil. Province of
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<normalizedToken originalValue="Pará">Para</normalizedToken>
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: inundated places near
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<normalizedToken originalValue="Santarém">Santarem</normalizedToken>
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, Sept 1850, Spruce 1081, (holotype: B! [B200107121]; isotype: K! [K000574506], P! [P00573942; P00573943]).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="105" type="remarks">
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<paragraph pageId="0" pageNumber="105">Remarks.</paragraph>
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<paragraph pageId="0" pageNumber="105">
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<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes amazonica" order="Isoetales" pageId="0" pageNumber="105" phylum="Tracheophyta" rank="species" species="amazonica">
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<emphasis italics="true" pageId="0" pageNumber="105">Isoetes amazonica</emphasis>
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</taxonomicName>
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was rediscovered at its type location in July 2017 after 167 years (Pereira 1015, MG). This species was found in a single area at approximately 2.5 km from the left bank of the
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<normalizedToken originalValue="Tapajós">Tapajos</normalizedToken>
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river at the geographical coordinates
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<geoCoordinate degrees="2" direction="south" minutes="24" orientation="latitude" precision="1" seconds="15.15" value="-2.4042084">2°24'15.15"S</geoCoordinate>
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,
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<geoCoordinate degrees="55" direction="west" minutes="3" orientation="longitude" precision="1" seconds="1.89" value="-55.050526">55°3'1.89"W</geoCoordinate>
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(
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Geographic distribution, habit and habitat of Isoetes amazonica and I. gardneriana A location where Isoetes amazonica and I. gardneriana were rediscovered in Brazil (type location of I. gardneriana in blue pentagon) B-C Isoetes amazonica (Pereira 1015, MG): B habitat C habit D-E Isoetes gardneriana (Pereira 1028, MG): D habitat E habit." figureDoi="10.3897/phytokeys.135.46624.figure1" httpUri="https://binary.pensoft.net/fig/362557" pageId="0" pageNumber="105" tableDoi="10.3897/phytokeys.135.46624.figure1">Figure 1A</figureCitation>
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). This location was a marsh area between a flooded forest and cattle farming. The plants were found as terrestrials in wet clay and sandy soils (
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Geographic distribution, habit and habitat of Isoetes amazonica and I. gardneriana A location where Isoetes amazonica and I. gardneriana were rediscovered in Brazil (type location of I. gardneriana in blue pentagon) B-C Isoetes amazonica (Pereira 1015, MG): B habitat C habit D-E Isoetes gardneriana (Pereira 1028, MG): D habitat E habit." figureDoi="10.3897/phytokeys.135.46624.figure1" httpUri="https://binary.pensoft.net/fig/362557" pageId="0" pageNumber="105" tableDoi="10.3897/phytokeys.135.46624.figure1">Fig. 1B, C</figureCitation>
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). None of the individuals was completely submerged (but see discussion). The monthly precipitation was 42.4 mm and it was the lowest recorded value for July between the years of 2008 and 2017 (
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<bibRefCitation author="INMET" journalOrPublisher="American Fern Journal" pageId="0" pageNumber="105" publicationUrl="http://www.inmet.gov.br/portal/index.php?r=bdmep/bdmep" refId="B6" refString="INMET, 2019. Instituto Nacional de Meteorologia, Brasil. http://www.inmet.gov.br/portal/index.php?r=bdmep/bdmep" title="Instituto Nacional de Meteorologia, Brasil." url="http://www.inmet.gov.br/portal/index.php?r=bdmep/bdmep" year="2019">INMET 2019</bibRefCitation>
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). The average monthly maximum and minimum temperatures were 32 and 22 °C, respectively (
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<bibRefCitation author="INMET" journalOrPublisher="American Fern Journal" pageId="0" pageNumber="105" publicationUrl="http://www.inmet.gov.br/portal/index.php?r=bdmep/bdmep" refId="B6" refString="INMET, 2019. Instituto Nacional de Meteorologia, Brasil. http://www.inmet.gov.br/portal/index.php?r=bdmep/bdmep" title="Instituto Nacional de Meteorologia, Brasil." url="http://www.inmet.gov.br/portal/index.php?r=bdmep/bdmep" year="2019">INMET 2019</bibRefCitation>
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). This species occurred in association with other plant groups such as
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<taxonomicName family="Cyperaceae" kingdom="Plantae" lsidName="" order="Isoetales" pageId="0" pageNumber="105" rank="family">Cyperaceae</taxonomicName>
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,
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<taxonomicName family="Poaceae" kingdom="Plantae" lsidName="" order="Isoetales" pageId="0" pageNumber="105" rank="family">Poaceae</taxonomicName>
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,
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<taxonomicName family="Mayacaceae" kingdom="Plantae" lsidName="" order="Isoetales" pageId="0" pageNumber="105" rank="family">Mayacaceae</taxonomicName>
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and
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<taxonomicName family="Eriocaulaceae" kingdom="Plantae" lsidName="" order="Isoetales" pageId="0" pageNumber="105" rank="family">Eriocaulaceae</taxonomicName>
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. The newly rediscovered population showed typical characteristics of
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<taxonomicName lsidName="I. amazonica" pageId="0" pageNumber="105" rank="species" species="amazonica">
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<emphasis italics="true" pageId="0" pageNumber="105">I. amazonica</emphasis>
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</taxonomicName>
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, such as 10-20 leaves per individual, ascending leaves, rudimentary velum, hyaline sporangia with or without brown spots, verrucate megaspores with 470-590
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diameter, sparsely echinate microspores 28-32
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<normalizedToken originalValue="µm">µm</normalizedToken>
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long (
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Mega- and microspores of Isoetes amazonica and I. gardneriana." figureDoi="10.3897/phytokeys.135.46624.figure2" httpUri="https://binary.pensoft.net/fig/362558" pageId="0" pageNumber="105" tableDoi="10.3897/phytokeys.135.46624.figure2">Fig. 2</figureCitation>
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).
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</paragraph>
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<caption doi="10.3897/phytokeys.135.46624.figure1" httpUri="https://binary.pensoft.net/fig/362557" pageId="0" pageNumber="105" start="Figure 1" startId="F1">
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<paragraph pageId="0" pageNumber="105">
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<emphasis bold="true" pageId="0" pageNumber="105">Figure 1.</emphasis>
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Geographic distribution, habit and habitat of
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<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes amazonica" order="Isoetales" pageId="0" pageNumber="105" phylum="Tracheophyta" rank="species" species="amazonica">
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<emphasis italics="true" pageId="0" pageNumber="105">Isoetes amazonica</emphasis>
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</taxonomicName>
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and
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<taxonomicName lsidName="I. gardneriana" pageId="0" pageNumber="105" rank="species" species="gardneriana">
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<emphasis italics="true" pageId="0" pageNumber="105">I. gardneriana</emphasis>
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</taxonomicName>
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<emphasis bold="true" pageId="0" pageNumber="105">A</emphasis>
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location where
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<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes amazonica" order="Isoetales" pageId="0" pageNumber="105" phylum="Tracheophyta" rank="species" species="amazonica">
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<emphasis italics="true" pageId="0" pageNumber="105">Isoetes amazonica</emphasis>
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</taxonomicName>
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and
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<taxonomicName lsidName="I. gardneriana" pageId="0" pageNumber="105" rank="species" species="gardneriana">
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<emphasis italics="true" pageId="0" pageNumber="105">I. gardneriana</emphasis>
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</taxonomicName>
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were rediscovered in Brazil (type location of
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<taxonomicName lsidName="I. gardneriana" pageId="0" pageNumber="105" rank="species" species="gardneriana">
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<emphasis italics="true" pageId="0" pageNumber="105">I. gardneriana</emphasis>
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</taxonomicName>
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in blue pentagon)
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<emphasis bold="true" pageId="0" pageNumber="105">
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<normalizedToken originalValue="B–C">B-C</normalizedToken>
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</emphasis>
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<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes amazonica" order="Isoetales" pageId="0" pageNumber="105" phylum="Tracheophyta" rank="species" species="amazonica">
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<emphasis italics="true" pageId="0" pageNumber="105">Isoetes amazonica</emphasis>
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</taxonomicName>
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(
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<emphasis italics="true" pageId="0" pageNumber="105">Pereira 1015</emphasis>
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, MG):
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<emphasis bold="true" pageId="0" pageNumber="105">B</emphasis>
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habitat
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<emphasis bold="true" pageId="0" pageNumber="105">C</emphasis>
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habit
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<emphasis bold="true" pageId="0" pageNumber="105">
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<normalizedToken originalValue="D–E">D-E</normalizedToken>
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</emphasis>
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<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes gardneriana" order="Isoetales" pageId="0" pageNumber="105" phylum="Tracheophyta" rank="species" species="gardneriana">
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<emphasis italics="true" pageId="0" pageNumber="105">Isoetes gardneriana</emphasis>
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</taxonomicName>
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(
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<emphasis italics="true" pageId="0" pageNumber="105">Pereira 1028</emphasis>
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, MG):
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<emphasis bold="true" pageId="0" pageNumber="105">D</emphasis>
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habitat
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<emphasis bold="true" pageId="0" pageNumber="105">E</emphasis>
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habit.
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</paragraph>
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</caption>
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<caption doi="10.3897/phytokeys.135.46624.figure2" httpUri="https://binary.pensoft.net/fig/362558" pageId="0" pageNumber="105" start="Figure 2" startId="F2">
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<paragraph pageId="0" pageNumber="105">
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<emphasis bold="true" pageId="0" pageNumber="105">Figure 2.</emphasis>
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Mega- and microspores of
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<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes amazonica" order="Isoetales" pageId="0" pageNumber="105" phylum="Tracheophyta" rank="species" species="amazonica">
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<emphasis italics="true" pageId="0" pageNumber="105">Isoetes amazonica</emphasis>
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</taxonomicName>
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and
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<taxonomicName lsidName="I. gardneriana" pageId="0" pageNumber="105" rank="species" species="gardneriana">
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<emphasis italics="true" pageId="0" pageNumber="105">I. gardneriana</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |