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205 lines
21 KiB
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<document id="863FDDE520AC9136D084897B27D477DE" ID-DOI="10.11646/phytotaxa.359.1.1" ID-ISSN="1179-3163" 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.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725581292893" checkinUser="felipe" docAuthor="Mcgregor, Glenn B." docDate="2018" docId="6B6487B2183D2620EB9A5031D5D6A9A2" docLanguage="en" docName="phytotaxa.359.1.1.pdf" docOrigin="Phytotaxa 359 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.359.1.1" docStyle="DocumentStyle:F08184CE06D8A97EA3E6DE35D99648B0.4:Phytotaxa.2014-.monograph" docStyleId="F08184CE06D8A97EA3E6DE35D99648B0" docStyleName="Phytotaxa.2014-.monograph" docStyleVersion="4" docTitle="Calothrix C. Agardh ex Bornet & Flahault 1886" docType="treatment" docVersion="1" lastPageNumber="450" masterDocId="975DFFCA181A2607EB125247D07CAF76" masterDocTitle="Freshwater Cyanobacteria of North-Eastern Australia: 3. Nostocales" masterLastPageNumber="450" masterPageNumber="448" pageNumber="448" updateTime="1725592656608" updateUser="GgImagineBatch">
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<mods:title id="531E03A9E8C7BED6D738ACBB4299BE6F">Freshwater Cyanobacteria of North-Eastern Australia: 3. Nostocales</mods:title>
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<mods:namePart id="F61C2D9D9E46137E70AA850C42B1C5A2">Mcgregor, Glenn B.</mods:namePart>
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<mods:title id="8B6D2223A002A48316E30CD982CB3949">Phytotaxa</mods:title>
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<mods:date id="3C5A03611AA9B2942F5D393EFB3A000B">2018</mods:date>
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<mods:number id="1E8AD91FD6C2FCA3187ADF0FD38D4BC9">2018-07-09</mods:number>
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<mods:number id="C2448572448532B992A3E41FECFA9697">359</mods:number>
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<taxonomicName id="24CD4D27183D2620EB9A5031D29BADF9" ID-CoL="3FYV" authority="C. Agardh ex Bornet & Flahault (1886: 345)" authorityName="C. Agardh ex Bornet & Flahault" authorityPageNumber="345" authorityYear="1886" box="[136,743,630,655]" class="Cyanophyceae" family="Rivulariaceae" genus="Calothrix" kingdom="Bacteria" order="Nostocales" pageId="39" phylum="Cyanobacteria" rank="genus">
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<emphasis id="D1B9EAB6183D2620EB9A5031D08FADF9" box="[136,243,630,655]" italics="true" pageId="39">Calothrix</emphasis>
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C.Agardh ex Bornet & Flahault (1886: 345)
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</taxonomicName>
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<subSubSection id="ABD7652F183D2620EB9A50DBD4A1AA4D" pageId="39" type="materials_examined">
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<paragraph id="E37236A4183D2620EB9A50DBD379ADC7" blockId="39.[136,773,630,689]" box="[136,773,668,689]" pageId="39">
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<typeStatus id="3C768806183D2620EB9A50DBD0C7ADC7" box="[136,187,668,689]" pageId="39">Type</typeStatus>
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:
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<taxonomicName id="24CD4D27183D2620EBD650DBD379ADC7" authority="C. Agardh ex Bornet & Flahault (1886: 349)" authorityName="Bornet & Flahault" authorityPageNumber="349" authorityYear="1886" box="[196,773,668,689]" class="Cyanophyceae" family="Rivulariaceae" genus="Calothrix" kingdom="Bacteria" order="Nostocales" pageId="39" phylum="Cyanobacteria" rank="species" species="confervicola">
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<emphasis id="D1B9EAB6183D2620EBD650DBD124ADC7" box="[196,344,668,689]" italics="true" pageId="39">C. confervicola</emphasis>
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C.Agardh ex Bornet & Flahault (1886: 349)
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</taxonomicName>
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</paragraph>
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<paragraph id="E37236A4183D2620EB9A50A5D5EDAB49" blockId="39.[136,1452,738,1339]" pageId="39">Filaments heteropolar, clearly differentiated into basal and apical parts, simple, solitary or in small groups, separated from one another, rarely occurring solitary, lateral false branches, generally oriented in the direction of the original growth. Trichomes with basal, spherical or hemispherical heterocytes, occasionally forming intercalary cylindrical heterocytes. Trichomes sometimes with widened basal parts, constricted or unconstricted at the cross walls, ending in a hair-like apical region composed from narrow, long, hyaline cells. Sheaths always present, usually firm, sometimes lamellated and yellow-brownish in colour or funnel-shaped widened at the ends. Vegetative cells cylindrical or barrel-shaped, aerotopes absent. Akinetes rarely in basal parts, however this has been reported in a few species. Cell division occurs perpendicularly to the long axis of trichomes. Trichomes dissociate at heterocytes and separately develop into new trichomes. Reproduction by motile hormogonia, which divide from the trichome, by the formation of necridic cells and liberate from the sheath after separation of the terminal hair; hormogonia of several species produce aerotopes.</paragraph>
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<paragraph id="E37236A4183D2620EBAF560DD4A1AA4D" blockId="39.[136,1452,738,1339]" pageId="39">
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As currently prescribed, the genus
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<taxonomicName id="24CD4D27183D2620E92C560DD2D5AB15" authorityName="C. Agardh ex Bornet & Flahault" authorityYear="1886" box="[574,681,1098,1123]" class="Cyanophyceae" family="Rivulariaceae" genus="Calothrix" kingdom="Bacteria" order="Nostocales" pageId="39" phylum="Cyanobacteria" rank="genus">
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<emphasis id="D1B9EAB6183D2620E92C560DD2D5AB15" box="[574,681,1098,1123]" italics="true" pageId="39">Calothrix</emphasis>
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</taxonomicName>
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is polyphyletic. Several genera, that are morphologically similar, and can only be confidently distinguished on molecular criteria, have been recently separated (
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<taxonomicName id="24CD4D27183D2620EF875629D5D9ABF1" authority="Hauer et al." authorityName="Hauer" box="[1173,1445,1134,1159]" class="Cyanobacteriia" family="Leptobasaceae" genus="Calochaete" higherTaxonomySource="GBIF" kingdom="Bacteria" order="Cyanobacteriales" pageId="39" phylum="Cyanobacteria" rank="genus">
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<emphasis id="D1B9EAB6183D2620EF875629D569ABF1" box="[1173,1301,1134,1159]" italics="true" pageId="39">Calochaete</emphasis>
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Hauer
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<emphasis id="D1B9EAB6183D2620EE785629D5D9ABF1" box="[1386,1445,1134,1159]" italics="true" pageId="39">et al.</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="24CD4D27183D2620EB9A56D5D1BEABDD" authority="Bohunicka et al." authorityName="Bohunicka" box="[136,450,1170,1195]" class="Cyanophyceae" family="Fortieaceae" genus="Roholtiella" higherTaxonomySource="GBIF" kingdom="Bacteria" order="Nostocales" pageId="39" phylum="Cyanobacteria" rank="genus">
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<emphasis id="D1B9EAB6183D2620EB9A56D5D178ABDD" box="[136,260,1170,1195]" italics="true" pageId="39">Roholtiella</emphasis>
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Bohunická
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<emphasis id="D1B9EAB6183D2620EA9856D5D1BEABDD" box="[394,450,1170,1195]" italics="true" pageId="39">et al.</emphasis>
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</taxonomicName>
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,
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<emphasis id="D1B9EAB6183D2620EADD56D5D21EABDD" box="[463,610,1170,1195]" italics="true" pageId="39">Macrochaete</emphasis>
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Berrendero Gómez
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<emphasis id="D1B9EAB6183D2620E85156D5D306ABDD" box="[835,890,1170,1195]" italics="true" pageId="39">et al.</emphasis>
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); other future revisions are likely. Many
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<taxonomicName id="24CD4D27183D2620EE5256D5D5D7ABDD" authorityName="C. Agardh ex Bornet & Flahault" authorityYear="1886" box="[1344,1451,1170,1195]" class="Cyanophyceae" family="Rivulariaceae" genus="Calothrix" kingdom="Bacteria" order="Nostocales" pageId="39" phylum="Cyanobacteria" rank="genus">
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<emphasis id="D1B9EAB6183D2620EE5256D5D5D7ABDD" box="[1344,1451,1170,1195]" italics="true" pageId="39">Calothrix</emphasis>
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</taxonomicName>
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morphotypes were observed in collections from a variety of habitats throughout north-eastern
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<collectingCountry id="9BDA7634183D2620EFC156F1D541ABB9" box="[1235,1341,1206,1231]" name="Australia" pageId="39">Australia</collectingCountry>
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, however most were not able to be identified based soley on morphological criteria. Due to the uncertainty about the genus, four morphotypes have been given nominal designation here. Bibliography:
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<bibRefCitation id="875C4B55183D2620E8BD56B9D4BDAA61" author="Berrendero Gomez, E. & Perona, E. & Mateo, P." box="[943,1217,1278,1303]" pageId="39" pagination="447 - 460" refId="ref54447" refString="Berrendero Gomez, E., Perona, E. & Mateo, P. (2008) Genetic and morphological characterization of Rivularia and Calothrix (Nostocales, Cyanobacteria) from running water. International Journal of Systematic and Evolutionary Microbiology 58 (2): 447 - 460." type="journal article" year="2008">
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Berrendero
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<emphasis id="D1B9EAB6183D2620EF2656B9D411AA61" box="[1076,1133,1278,1303]" italics="true" pageId="39">et al.</emphasis>
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(2008)
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</bibRefCitation>
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,
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<bibRefCitation id="875C4B55183D2620EFDF56B9D5DBAA61" author="Hauer, T. & Bohunicka, M. & Muehlsteinova, R." box="[1229,1447,1278,1303]" pageId="39" pagination="36 - 44" refId="ref56726" refString="Hauer, T., Bohunicka, M. & Muehlsteinova, R. (2013) Calochaete gen. nov. (Cyanobacteria, Nostocales), a new cyanobacterial type from the " paramo " zone in Costa Rica. Phytotaxa 109 (1): 36 - 44." type="journal article" year="2013">
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Hauer
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<emphasis id="D1B9EAB6183D2620EE0856B9D52EAA61" box="[1306,1362,1278,1303]" italics="true" pageId="39">et al.</emphasis>
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||
(2013)
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</bibRefCitation>
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||
, Komárek (2013),
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<bibRefCitation id="875C4B55183D2620EA425765D237AA4D" author="Komarek, J. & Kastovsky, J. & Mares, J. & Johansen, J. R." box="[336,587,1314,1339]" pageId="39" pagination="295 - 335" refId="ref58732" refString="Komarek, J., Kastovsky, J., Mares, J. & Johansen, J. R. (2014) Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 86 (4): 295 - 335." type="journal article" year="2014">
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Komárek
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<emphasis id="D1B9EAB6183D2620EAAD5765D18BAA4D" box="[447,503,1314,1339]" italics="true" pageId="39">et al.</emphasis>
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(2014)
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</bibRefCitation>
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,
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<bibRefCitation id="875C4B55183D2620E9455765D31FAA4D" author="Bohunicka, M. & Pietrasiak, N. & Johansen, J. R. & Berrendero Gomez, E. & Hauer, T. & Gaysina, L. A. & Lukesova, A." box="[599,867,1314,1339]" pageId="39" pagination="84 - 103" refId="ref54560" refString="Bohunicka, M., Pietrasiak, N., Johansen, J. R., Berrendero Gomez, E., Hauer, T., Gaysina, L. A. & Lukesova, A. (2015) Roholtiella, gen. nov. (Nostocales, Cyanobacteria) - a tapering and branching cyanobacteria of the family Nostocaceae. Phytotaxa 197 (2): 84 - 103." type="journal article" year="2015">
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Bohunická
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<emphasis id="D1B9EAB6183D2620E9C55765D373AA4D" box="[727,783,1314,1339]" italics="true" pageId="39">et al.</emphasis>
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||
(2015)
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||
</bibRefCitation>
|
||
,
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||
<bibRefCitation id="875C4B55183D2620E87D5765D4A4AA4D" author="Berrendero Gomez, E. & Johansen, J. R. & Kastovsky, J. & Bohunicka, M. & Capkova, K." box="[879,1240,1314,1339]" pageId="39" pagination="638 - 655" refId="ref54498" refString="Berrendero Gomez, E., Johansen, J. R., Kastovsky, J., Bohunicka, M. & Capkova, K. (2016) Macrochaete gen. nov. (Nostocales, Cyanobacteria), a taxon morphologically and molecularly distinct from Calothrix. Journal of Phycology 52 (4): 638 - 655." type="journal article" year="2016">
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Berrendero Gómez
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<emphasis id="D1B9EAB6183D2620EF595765D4F8AA4D" box="[1099,1156,1314,1339]" italics="true" pageId="39">et al.</emphasis>
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||
(2016)
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</bibRefCitation>
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||
.
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</paragraph>
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||
</subSubSection>
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<keyLead id="583C9591183D2620EB9A57D8D0E6AAC2" box="[136,154,1439,1460]" pageId="39">2.</keyLead>
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</paragraph>
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<paragraph id="E37236A4183D2620EB9A57FCD0ECAAA6" blockId="39.[136,155,1381,1719]" box="[136,144,1467,1488]" pageId="39">
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<keyLead id="583C9591183D2620EB9A579FD0E6AA9B" box="[136,154,1496,1517]" pageId="39">3.</keyLead>
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</paragraph>
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<paragraph id="E37236A4183D2620EB9A57B2D0ECA97C" blockId="39.[136,155,1381,1719]" box="[136,144,1525,1546]" pageId="39">
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<keyLead id="583C9591183D2620EB9A5455D0E7A951" box="[136,155,1554,1575]" pageId="39">4.</keyLead>
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|
||
Mature trichomes tapering to fine, hair-like cells which are often hyaline........................................................................................2 Mature trichomes do not taper to fine, hair-like cells.........................................................................................................................3 Sheath lamellated, often funnel-like widened, colourless to yellow-brown in colour. .....................................................
|
||
<taxonomicName id="24CD4D27183D2620EE2F57D8D168AAA6" ID-CoL="Q49Q" authority="Sheath" authorityName="Sheath" class="Cyanophyceae" family="Rivulariaceae" genus="Calothrix" isUncertain="true" kingdom="Bacteria" order="Nostocales" pageId="39" phylum="Cyanobacteria" rank="species" species="fusca">
|
||
<emphasis id="D1B9EAB6183D2620EE2F57D8D531AAC2" box="[1341,1357,1439,1460]" italics="true" pageId="39">C</emphasis>
|
||
. cf.
|
||
<emphasis id="D1B9EAB6183D2620EE6A57D8D5D7AAC2" box="[1400,1451,1439,1460]" italics="true" pageId="39">fusca</emphasis>
|
||
Sheath
|
||
</taxonomicName>
|
||
fine, hyaline, colourless...............................................................................................................................................
|
||
<emphasis id="D1B9EAB6183D2620EE4F57FCD511AAA6" box="[1373,1389,1467,1488]" italics="true" pageId="39">C</emphasis>
|
||
. sp. B Vegetative cells pinkish-red to violet in colour ..................................................................................................................
|
||
<taxonomicName id="24CD4D27183D2620EE51579FD144A97C" authority="Vegetative" authorityName="Vegetative" class="Cyanophyceae" family="Rivulariaceae" genus="Calothrix" kingdom="Bacteria" order="Nostocales" pageId="39" phylum="Cyanobacteria" rank="species" species="atrichia">
|
||
<emphasis id="D1B9EAB6183D2620EE51579FD5D7AA9B" box="[1347,1451,1496,1517]" italics="true" pageId="39">C. atrichia</emphasis>
|
||
Vegetative
|
||
</taxonomicName>
|
||
cells blue-green to olive in colour....................................................................................................................................4 Trichomes cylindrical, not or slightly tapered towards the ends....................................................................................
|
||
<taxonomicName id="24CD4D27183D2620EE3A5455D145A932" authority="Trichomes" authorityName="Trichomes" class="Cyanophyceae" family="Rivulariaceae" genus="Calothrix" kingdom="Bacteria" order="Nostocales" pageId="39" phylum="Cyanobacteria" rank="species" species="brevissima">
|
||
<emphasis id="D1B9EAB6183D2620EE3A5455D5D7A951" box="[1320,1451,1554,1575]" italics="true" pageId="39">C. brevissima</emphasis>
|
||
Trichomes
|
||
</taxonomicName>
|
||
clearly tapered towards the ends.......................................................................................................................................5 Basal heterocytes 3.0–5.5 μm broad .......................................................................................................................................
|
||
<emphasis id="D1B9EAB6183D2620EE4F540CD508A916" box="[1373,1396,1611,1632]" italics="true" pageId="39">C.</emphasis>
|
||
sp. C Basal heterocytes> 10 μm broad.......................................................................................................................................................6 Filaments typically solitary, up to 220 μm long, vegetative cells 2.2–6.0 μm long × 7.5–14.5 μm broad.............................
|
||
<emphasis id="D1B9EAB6183D2620EE4D54C2D509A9EC" box="[1375,1397,1669,1690]" italics="true" pageId="39">C.</emphasis>
|
||
sp. A Filaments many together forming a dense erect turf, up to
|
||
<quantity id="24359B41183D2620E80854E5D32FA9C1" box="[794,851,1698,1719]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="39" unit="mm" value="2.0">2 mm</quantity>
|
||
in length, vegetative cells 3.5–4.6 μm long × 11.2–13.5 μm broad........................................................................................................................................................................................
|
||
<emphasis id="D1B9EAB6183D2620EE4E54F8D50FA9A2" box="[1372,1395,1727,1748]" italics="true" pageId="39">C.</emphasis>
|
||
sp. D
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |