cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.15468/dl.at4hg5
title: Occurrence Download

description: A dataset containing 3539 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Glycine soja Siebold & Zucc.",
 "HasCoordinate is TRUE",
 "HasGeospatialIssue is FALSE"
 ]
}

 The dataset includes 3539 records from 46 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0377330-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.4ma9kv
title: Occurrence Download

description: A dataset containing 31816 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is one of (Catocala fraxini Linnaeus, 1758, Catocala puerpera (Giorna, 1791))",
 "Geometry POLYGON((-9.36035 44.71551,-10.59082 42.81152,-11.82129 36.80928,-7.69043 36.17336,-3.38379 35.88905,3.12012 38.13456,9.18457 38.20366,11.7334 37.16032,12.78809 34.74161,17.09473 33.79741, 23.15918 34.23451,30.10254 32.62087,33.2666 32.99024,35.72754 35.03,33.00293 35.53223,28.69629 35.17381,28.34473 36.31513,25.7959 37.50973,24.91699 39.90974,28.78418 40.6473,30.71777 41.17865,36.87012 45.213,38.18848 46.98025,38.71582 47.7541,39.94629 47.93107,40.20996 49.61071,37.0459 50.34546,35.72754 50.40152,33.79395 52.26816,31.68457 51.94426,31.4209 53.27835,32.56348 53.43572,30.98145 54.77535,30.89355 55.52863,28.43262 56.02295,27.20215 57.65716,27.37793 58.30949,27.90527 59.17593,29.66309 59.88894,27.6416 60.58697,31.50879 62.75473,28.78418 69.83962,30.89355 70.28912,29.22363 71.55274,21.75293 71.30079,14.28223 70.14036,11.38184 67.47492,4.87793 63.66576,-5.53711 71.52491,-10.63477 71.69129,-21.5332 67.74276,-28.56445 65.36684,-24.3457 61.35461,-9.36035 44.71551))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Year is greater than or equal to 1980",
 "Year is less than or equal to 2021"
 ]
}

 The dataset includes 31816 records from 120 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0168988-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.t9cp88
title: Occurrence Download

description: A dataset containing 2384 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Specimen",
 "Geometry POLYGON((24.98249 72.89426,-21.38243 56.93102,-10.68917 33.03918,16.96725 35.55797,31.63265 31.50872,51.0632 28.31132,76.61327 38.13568,78.77918 61.82918,66.60881 72.79708,24.98249 72.89426))",
 "HasGeospatialIssue is false",
 "TaxonKey is Hesperis matronalis L."
 ]
}

 The dataset includes 2384 records from 115 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0140688-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.tdgvbn
title: Occurrence Download

description: A dataset containing 15 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Prasophyllum barnettii D.L.Jones & D.T.Rouse"
 ]
}

 The dataset includes 15 records from 4 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0094310-230530130749713/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.h4bjk7
title: Occurrence Download

description: A dataset containing 6051 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Polyosma Blume"
 ]
}

 The dataset includes 6051 records from 75 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0203485-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.9khqvy
title: Occurrence Download

description: A dataset containing 6807 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Platanthera hyperborea (L.) Lindl."
 ]
}

 The dataset includes 6807 records from 173 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0083862-230530130749713/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.bxuxhp
title: Occurrence Download

description: A dataset containing 96342 species occurrences available in GBIF matching the query:
{
 "and" : [
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "TaxonKey is Erigeron sumatrensis Retz.",
 "Year 2000-2025"
 ]
}

 The dataset includes 96342 records from 872 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041627-250525065834625/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.9rt9nh
title: Occurrence Download

description: A dataset containing 107203 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Parnassius apollo (Linnaeus, 1758)"
 ]
}

 The dataset includes 107203 records from 515 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041645-250525065834625/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.wppmym
title: Occurrence Download

description: A dataset containing 0 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Ophioglossum gomezianum Welw. ex A.Braun",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "BasisOfRecord is one of (Specimen, Living Specimen, Observation, Human Observation, Machine Observation, Material sample, Literature Occurrence, Material citation, Occurrence evidence)",
 "Geometry POLYGON ((15.6372 -28.0032,16.2782 -28.5786,20.509 -28.5786,20.509 -24.0715,15.4933 -24.0715,15.4945 -24.1257,16.0509 -25.6631,15.6372 -28.0032))"
 ]
}

 The dataset includes 0 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041663-250525065834625/datasets/export for details.
DOI: 10.15468/dl.atnx4m
title: Occurrence Download

description: A dataset containing 21295 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Avicennia germinans (L.) L.",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "BasisOfRecord is Human Observation",
 "Year is greater than or equal to 2005"
 ]
}

 The dataset includes 21295 records from 71 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041664-250525065834625/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.6084/m9.figshare.29311088.v1
title: D5.zip

description: The Quartet Project aims to provide resources for QC of multiple types of omic technologies and effective integration of diverse datasets from various scenarios. Large quantities of multi-omics materials, datasets, and best practice for their QC utilities were developed for whole process QC of large scale, multi-center, and longitudinal multi-omics profiling. Here are proteomic datasets generated by 10 labs with state-of-the-art mass spectrometry instruments.
DOI: 10.6084/m9.figshare.29311088
title: D5.zip

description: The Quartet Project aims to provide resources for QC of multiple types of omic technologies and effective integration of diverse datasets from various scenarios. Large quantities of multi-omics materials, datasets, and best practice for their QC utilities were developed for whole process QC of large scale, multi-center, and longitudinal multi-omics profiling. Here are proteomic datasets generated by 10 labs with state-of-the-art mass spectrometry instruments.
DOI: 10.15468/dl.v75u7a
title: Occurrence Download

description: A dataset containing 0 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Bulbochaete C.Agardh, 1817",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "BasisOfRecord is one of (Specimen, Living Specimen, Observation, Human Observation, Machine Observation, Material sample, Literature Occurrence, Material citation, Occurrence evidence)",
 "Geometry POLYGON ((25.5395 -28.5786,20.509 -28.5786,20.509 -32.9007,25.5395 -32.9007,25.5395 -28.5786))"
 ]
}

 The dataset includes 0 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041666-250525065834625/datasets/export for details.
DOI: 10.15468/dl.4nvr4d
title: Occurrence Download

description: A dataset containing 0 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Ophioglossum gomezianum Welw. ex A.Braun",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "BasisOfRecord is one of (Specimen, Living Specimen, Observation, Human Observation, Machine Observation, Material sample, Literature Occurrence, Material citation, Occurrence evidence)",
 "Geometry POLYGON ((15.4784 -23.4046,15.4933 -24.0715,20.509 -24.0715,20.509 -24.0455,20.0952 -23.5072,19.9968 -23.017,19.7843 -22.5405,19.1988 -21.8785,18.5972 -21.5447,17.8859 -21.3993,17.1626 -21.4805,16.5332 -21.7596,16.1257 -22.0882,15.8234 -22.4662,15.606 -22.8993,15.4784 -23.4046))"
 ]
}

 The dataset includes 0 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041667-250525065834625/datasets/export for details.
DOI: 10.6084/m9.figshare.29310941
title: Hg19 CHR

description: This directory is dedicated to human genome files, divided into single chromosome and whole genome files.
DOI: 10.6084/m9.figshare.29310941.v1
title: Hg19 CHR

description: This directory is dedicated to human genome files, divided into single chromosome and whole genome files.
DOI: 10.15468/dl.m4emzm
title: Occurrence Download

description: A dataset containing 180 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Spartina alterniflora Loisel.",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "BasisOfRecord is Human Observation",
 "Year is greater than or equal to 2005"
 ]
}

 The dataset includes 180 records from 25 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041669-250525065834625/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.34740/kaggle/dsv/12148799
title: Peer-to-Peer Boliviano (BOB) Exchange Data
DOI: 10.15468/dl.d32jgd
title: Occurrence Download

description: A dataset containing 0 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Bulbochaete C.Agardh, 1817",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "BasisOfRecord is one of (Specimen, Living Specimen, Observation, Human Observation, Machine Observation, Material sample, Literature Occurrence, Material citation, Occurrence evidence)",
 "Geometry POLYGON ((20.7576 -24.3688,20.529 -24.0715,20.509 -24.0715,20.509 -28.5786,25.5395 -28.5786,25.5395 -24.0715,25.1306 -24.0715,24.9333 -24.4571,23.8962 -24.2467,22.8065 -24.295,22.3719 -24.7207,22.2323 -25.547,22.0387 -25.7188,21.7833 -25.7784,21.5388 -25.7113,21.3553 -25.5415,20.7576 -24.3688))"
 ]
}

 The dataset includes 0 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041671-250525065834625/datasets/export for details.
DOI: 10.15468/dl.9594qg
title: Occurrence Download

description: A dataset containing 0 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Ophioglossum gomezianum Welw. ex A.Braun",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "BasisOfRecord is one of (Specimen, Living Specimen, Observation, Human Observation, Machine Observation, Material sample, Literature Occurrence, Material citation, Occurrence evidence)",
 "Geometry POLYGON ((25.5395 -28.5786,20.509 -28.5786,20.509 -32.9007,25.5395 -32.9007,25.5395 -28.5786))"
 ]
}

 The dataset includes 0 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041672-250525065834625/datasets/export for details.
DOI: 10.15468/dl.mtquju
title: Occurrence Download

description: A dataset containing 138 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Chile",
 "Geometry POLYGON((-71.99925 -37.128,-72.01635 -37.15743,-72.01397 -37.19945,-72.00049 -37.25971,-71.97483 -37.33995,-71.92647 -37.35977,-71.88762 -37.36374,-71.80813 -37.34143,-71.77562 -37.32795,-71.74708 -37.32874,-71.70585 -37.32081,-71.65991 -37.31289,-71.62741 -37.31685,-71.59252 -37.32795,-71.54301 -37.34618,-71.5113 -37.33667,-71.40845 -37.26932,-71.38546 -37.22651,-71.35838 -37.16133,-71.35442 -37.11297,-71.41309 -37.04399,-71.45352 -37.04716,-71.48206 -37.07016,-71.50585 -37.11535,-71.5733 -37.11858,-71.60343 -37.12413,-71.66391 -37.13046,-71.68294 -37.14076,-71.69404 -37.12966,-71.74621 -37.11452,-71.80408 -37.11135,-71.84848 -37.12562,-71.86051 -37.15258,-71.90411 -37.17715,-71.94693 -37.16685,-71.99925 -37.128))",
 "IucnRedListCategory is one of (NT, VU, EN, CR)",
 "OccurrenceStatus is Present"
 ]
}

 The dataset includes 138 records from 16 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041673-250525065834625/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.mkmgd7
title: Occurrence Download

description: A dataset containing 36 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Pachygrapsus gracilis (de Saussure, 1857)",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "BasisOfRecord is Human Observation",
 "Year is greater than or equal to 2005"
 ]
}

 The dataset includes 36 records from 6 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041674-250525065834625/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.a49tgf
title: Occurrence Download

description: A dataset containing 276847 species occurrences available in GBIF matching the query:
{
 "and" : [
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "TaxonKey is Erigeron annuus (L.) Pers.",
 "Year 2000-2025"
 ]
}

 The dataset includes 276847 records from 1330 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041638-250525065834625/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5281/zenodo.15145848
title: TABLE 1 in Two new species of Achnanthidium Kützing (Achnanthidiaceae) from the Quaternary sediments of the Colônia basin, Southeast Brazil

description: TABLE 1. — Morphometric data from Achnanthidium ectorianum Marquardt & C.E.Wetzel, sp. nov. populations found in the Colônia basin, São Paulo, Brazil, and the most similar taxa belonging to the A. minutissimum complex.
A. anatolicumAchnanthidium ectorianumC.N.Solak, Wojtal,Marquardt & C.E.Wetzel,A. neotropicumS.Blanco, Peszek &sp. nov.K.J.Krahn & C.E.WetzelA. lailae van de VijverM.RybakReferencethis studyKrahn et al. (2018)Van de Vijver & KopalováSolak et al. (2022)(2014)Valve outlinelinear-elliptical, with almostlinear to linear-lanceolate,linear to very slightly linear- linearparallel marginsparallel margins, partiallylanceolateconstrictedValve apicesbroadly rounded,broadly rounded,non-protracted, broadlysubcapitatesubrostratesubrostraterounded, never rostrateor capitateLength (µm)10.5-15.56.7-23.410-1411.5-23.0Width (µm)2.5-3.02.0-3.01.8-2.52.5-3.5Girdle viewnarrow, rectangular, bentrectangular, bent withnarrow, rectangular, bentunbentwith weakly recurvedrecurved apiceswith weakly recurvedapicesapicesRaphe valveAxial areanarrow and linear to linear-narrow, slightly wideninglinear to linear-lanceolatevery narrow, slightlylanceolatetowards the central areawidening towards thewidening towards thecentral areacentral areaCentral area‘X’ appearancerectangular fascia orrectangular fasciasmall bordered by 3-4shortened, more widelywidely spaced striaspaced striaeboth sidesTerminal raphestraight, terminating afteralmost straight, small andweakly deflected,fissuresthe last striaedrop shaped, terminating terminating after the lastafter the last striaestriaeStria density (in 10 µm)30-3830-3630-3326-28Areolae openingroundedrounded to elongatedrounded to slit-likerounded to elongatedareolae, sometimes slit-like near the marginsAreolae number2-3, rarely 43-4, rarely 2 in constricted2-34 (5, rarely 2-3 at apices)(at the center)valvesRapheless valveAxial areanarrow and linearlinear to weakly lanceolatelanceolate axial area,narrow and linearwidening near the valvecenterCentral areaabsentalmost absent or irregularelongated, rhombicalmost absentwith shortened, morelanceolate with longerwidely spaced striaemarginal striaeStria density (in 10 µm)32-3630-3628-3027-29Areolae openingrounded to elongated,rounded to slit-like nearrounded to slit-likerounded to elongatedsometimes fused, formingthe marginsa slitAreolae number2-3, rarely 43-42-34-5 (rarely 2, 3 at apices)(at the center)
description: Published as part of Marquardt, Gisele C., Bicudo, Denise C., de M. Bicudo, Carlos E., Ledru, Marie-Pierre & Wetzel, Carlos E., 2023, Two new species of Achnanthidium Kützing (Achnanthidiaceae) from the Quaternary sediments of the Colônia basin, Southeast Brazil, pp. 122 in Cryptogamie, Algologie 20 (6) on page 122, DOI: 10.5252/cryptogamie-algologie2023v44a6, http://zenodo.org/record/8399144
DOI: 10.5281/zenodo.15145849
title: TABLE 1 in Two new species of Achnanthidium Kützing (Achnanthidiaceae) from the Quaternary sediments of the Colônia basin, Southeast Brazil

description: TABLE 1. — Morphometric data from Achnanthidium ectorianum Marquardt & C.E.Wetzel, sp. nov. populations found in the Colônia basin, São Paulo, Brazil, and the most similar taxa belonging to the A. minutissimum complex.
A. anatolicumAchnanthidium ectorianumC.N.Solak, Wojtal,Marquardt & C.E.Wetzel,A. neotropicumS.Blanco, Peszek &sp. nov.K.J.Krahn & C.E.WetzelA. lailae van de VijverM.RybakReferencethis studyKrahn et al. (2018)Van de Vijver & KopalováSolak et al. (2022)(2014)Valve outlinelinear-elliptical, with almostlinear to linear-lanceolate,linear to very slightly linear- linearparallel marginsparallel margins, partiallylanceolateconstrictedValve apicesbroadly rounded,broadly rounded,non-protracted, broadlysubcapitatesubrostratesubrostraterounded, never rostrateor capitateLength (µm)10.5-15.56.7-23.410-1411.5-23.0Width (µm)2.5-3.02.0-3.01.8-2.52.5-3.5Girdle viewnarrow, rectangular, bentrectangular, bent withnarrow, rectangular, bentunbentwith weakly recurvedrecurved apiceswith weakly recurvedapicesapicesRaphe valveAxial areanarrow and linear to linear-narrow, slightly wideninglinear to linear-lanceolatevery narrow, slightlylanceolatetowards the central areawidening towards thewidening towards thecentral areacentral areaCentral area‘X’ appearancerectangular fascia orrectangular fasciasmall bordered by 3-4shortened, more widelywidely spaced striaspaced striaeboth sidesTerminal raphestraight, terminating afteralmost straight, small andweakly deflected,fissuresthe last striaedrop shaped, terminating terminating after the lastafter the last striaestriaeStria density (in 10 µm)30-3830-3630-3326-28Areolae openingroundedrounded to elongatedrounded to slit-likerounded to elongatedareolae, sometimes slit-like near the marginsAreolae number2-3, rarely 43-4, rarely 2 in constricted2-34 (5, rarely 2-3 at apices)(at the center)valvesRapheless valveAxial areanarrow and linearlinear to weakly lanceolatelanceolate axial area,narrow and linearwidening near the valvecenterCentral areaabsentalmost absent or irregularelongated, rhombicalmost absentwith shortened, morelanceolate with longerwidely spaced striaemarginal striaeStria density (in 10 µm)32-3630-3628-3027-29Areolae openingrounded to elongated,rounded to slit-like nearrounded to slit-likerounded to elongatedsometimes fused, formingthe marginsa slitAreolae number2-3, rarely 43-42-34-5 (rarely 2, 3 at apices)(at the center)
description: Published as part of Marquardt, Gisele C., Bicudo, Denise C., de M. Bicudo, Carlos E., Ledru, Marie-Pierre & Wetzel, Carlos E., 2023, Two new species of Achnanthidium Kützing (Achnanthidiaceae) from the Quaternary sediments of the Colônia basin, Southeast Brazil, pp. 122 in Cryptogamie, Algologie 20 (6) on page 122, DOI: 10.5252/cryptogamie-algologie2023v44a6, http://zenodo.org/record/8399144
DOI: 10.5281/zenodo.15145850
title: TABLE 2 in Two new species of Achnanthidium Kützing (Achnanthidiaceae) from the Quaternary sediments of the Colônia basin, Southeast Brazil

description: TABLE 2. — Morphometric data from Achnanthidium craterianum Marquardt & C.E.Wetzel, sp. nov. populations found in the Colônia basin, São Paulo,Brazil, and the most similar taxa belonging to the A. minutissimum complex. ND, no data.
Achnanthidium craterianum A. sieminskae Witkowski,A. caledonicum (Lange-A. digitatum Pinseel,Marquardt & C.E.Wetzel, Kulikovskiy & Riaux-Bertalot) Lange-Vanormelingen,sp. nov.GobinBertalotHamilton & van de VijverReferencethis studyVan de Vijver & KopalováWojtal et al. (2011)Pinseel et al. (2017)(2014)Valve outlinelinear to linear-lanceolatelinear to narrowly linear-linear to linear-lanceolatelinear to slightly linear-with almost parallellanceolate with almostlanceolate with almostmarginsparallel to slightly convexparallel marginsmarginsValve apicessubcapitate to capitate,clearly protracted, rostratecapitateprotracted, (slightly)protracted and faced toto capitate apicessubrostrate to broadlyopposite directionsrounded, not protracted,in smaller specimensLength (µm)8.5-19.09.5-18.014.2-38.08.6-19.1Width (µm)2.0-2.51.9-3.12.3-3.21.8-2.3Girdle viewrectangular arched, withclearly bent around theNDrectangular archedpointed apices slightlytransapical axis and withcurvedclearly recurved apicesRaphe valveAxial areaaxial area narrow to faintlynarrow linearlinear, becoming weaklynarrow, linear, only slightlylanceolate towards thelanceolate towards thewidening towards centralcentral areacentral areaarea; almost absent nearthe apicesCentral areasmall, roundedelliptical to rounded, veryrhombicsmall, rounded or forming asmall, almost indistinctclear rectangular fasciaTerminal raphestraight, terminating afterweakly deflected,straight, terminating afterstraight, terminating afterfissuresthe last striaeterminating on the valvethe last striaethe last striaeface/mantle junctionStria density (in 10 µm)32-3332-3430-3531-36Areolae openingroundedround to slit-likeround, elongated or slit-rounded or broadlyliketransapically elongatedAreolae number2-32-32-42, rarely 3(at the center)Rapheless valveAxial areanarrow and linear to weaklynarrow and linearlinear, weakly lanceolatenarrow linear, slightlylanceolate towards thetowards the central area widening towards thecentral areacentral areaCentral areaabsent or narrowabsentabsentalmost non-existent, neverlanceolateforming a fascia orsubfasciaStria density (in 10 µm)40-4234-36ND31-36Areolae openingrounded to elongatedround to slit-likeround, elongated or slit-rounded or broadlyliketransapically elongatedAreolae number2-32-5ND2, rarely 3(at the center)
description: Published as part of Marquardt, Gisele C., Bicudo, Denise C., de M. Bicudo, Carlos E., Ledru, Marie-Pierre & Wetzel, Carlos E., 2023, Two new species of Achnanthidium Kützing (Achnanthidiaceae) from the Quaternary sediments of the Colônia basin, Southeast Brazil, pp. 123 in Cryptogamie, Algologie 20 (6) on page 123, DOI: 10.5252/cryptogamie-algologie2023v44a6, http://zenodo.org/record/8399144