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Achnanthes exigua var. heterovalva (NADED 2008)

authority:  Krasske

Phycology Section: ecology and taxonomy of freshwater algae, particularly diatoms

 


Algae Group: Diatom
 
Division: Chrysophyta
  Class: Bacillariophyceae
    Order: Pennales
      Family: Achnanthaceae
        Genus: Achnanthes
 
Species: exigua
Third_taxon_name: var.
Variety: heterovalva
 
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2 RESTRICTED IMAGES: (not yet screened for correctness, logon required to view)

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About IM001253 
Imager: USGS NWQL
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About IM001254 
Imager: USGS NWQL


Short name: ACexihet

 
IN 4 TAXONOMIC LISTS:
 
More...
 
 
IN 5 CHANGE SYSTEMS AS SOURCE:
 
22 NAWQA 1997- to 2001-Start tax. system, diatoms (csat_id: 2941)
    from: Achnanthes exigua var. heterovalva (NADED 2008)
    to: Achnanthidium exiguum var. heterovalvum (NADED 1026)

    REMARK: Achnanthidium exiguum var. heterovalvum


 
In correctional change system(s) as SOURCE: More...
 
NOT A TARGET IN ANY CHANGE SYSTEMS
 
FOUND IN 1078 OFFICIAL COUNTS:  ...see sites on a mapmap
 
 site number  count and subproject
 DK1  1   DK10004 DT1 a 1 - Potomac R - ANSP River Survey - 1960 1965 1970 1974
 DK1  7   DK10005 DT1 a 1 - Potomac R - ANSP River Survey - 1960 1965 1970 1974
 DK3  6   DK10006 DT1 a 1 - Potomac R - ANSP River Survey - 1960 1965 1970 1974
 DK3  2   DK10008 DT1 a 1 - Potomac R - ANSP River Survey - 1960 1965 1970 1974
 AC1  3   AC10001 DT1 h 1 - Slippery Rock R - Acid Mine Drainage - ANSP River Survey - 1967
 AL247101475  134   AL000018 DT1 l 1 - 2001 USGS/WRD Alabama District - Amy Gill sediment
 AL247101475  108   AL000019 DT1 l 1 - 2001 USGS/WRD Alabama District - Amy Gill sediment
 AL247101475  58   AL000020 DT1 l 1 - 2001 USGS/WRD Alabama District - Amy Gill sediment
 AL247101490  442   AL000015 DT1 h 1 - 2001 USGS/WRD Alabama District - Amy Gill sediment
 AL247101490  409   AL000016 DT1 l 1 - 2001 USGS/WRD Alabama District - Amy Gill sediment
 AL247101490  368   AL000017 DT1 l 1 - 2001 USGS/WRD Alabama District - Amy Gill sediment
 GS02461200  2   AL000021 DT1 l 1 - 2000 USGS/WRD Birmingham Watershed Project - Abrahamsen
 GS02471013  1   AL000027 DT1 a 1 - 2001 Alabama District Threemile Creek Project
 GS02471013  1   AL000029 DT1 a 1 - 2001 Alabama District Threemile Creek Project
 GS02471013  2   AL000030 DT1 a 1 - 2001 Alabama District Threemile Creek Project

More...
 

56 BIOVOLUME MEASUREMENTS (in shape_algae_taxa), range 22.4 - 203.8
 
Calculated biovolume: 41.3 μm3    added 10/26/2005
ANSPGS0009PR GSN60597 DT1 A WARM C AB ORANGE SHOW GROUNDS NR SAN BERNARDINO CA, slide_id=281113, mol_id=87
Measurement #39537 (Two Wedges), 3 dimensions:
   length=10.00000 μm
   width=5.50000 μm
   depth=1.50000 μm
 
Calculated biovolume: 102 μm3    added 10/26/2005
ANSPGS0009PR GSN60597 DT1 A WARM C AB ORANGE SHOW GROUNDS NR SAN BERNARDINO CA, slide_id=281113, mol_id=87
Measurement #39536 (Two Wedges), 3 dimensions:
   length=17.00000 μm
   width=6.00000 μm
   depth=2.00000 μm
 
Calculated biovolume: 90 μm3    added 10/26/2005
ANSPGS0009PR GSN60597 DT1 A WARM C AB ORANGE SHOW GROUNDS NR SAN BERNARDINO CA, slide_id=281113, mol_id=87
Measurement #39535 (Two Wedges), 3 dimensions:
   length=15.00000 μm
   width=6.00000 μm
   depth=2.00000 μm
 
Calculated biovolume: 45 μm3    added 10/26/2005
ANSPGS0009PR GSN60597 DT1 A WARM C AB ORANGE SHOW GROUNDS NR SAN BERNARDINO CA, slide_id=281113, mol_id=87
Measurement #39534 (Two Wedges), 3 dimensions:
   length=9.00000 μm
   width=5.00000 μm
   depth=2.00000 μm
 
Calculated biovolume: 78 μm3    added 10/26/2005
ANSPGS0009PR GSN60597 DT1 A WARM C AB ORANGE SHOW GROUNDS NR SAN BERNARDINO CA, slide_id=281113, mol_id=87
Measurement #39533 (Two Wedges), 3 dimensions:
   length=13.00000 μm
   width=6.00000 μm
   depth=2.00000 μm
 
More...

 

1 RECORDS IN UNKNOWN-SHAPES-BIOVOLUMES
 
unksh_id=19606 naded=2008 Literature P&R1966 A
   Biovolume: 103   ocular_units=1 shape_code=TWWEG
   microscope_id=L386 lense_id=Zeiss5057860
   unitsA=0 unitsB=0 unitsC=0 unitsD=0
   unitsE=0 unitsF=0 unitsG=0 unitsH=0
   added on 10/2/2000
 

 


Publication:  P&R 1966
    year: 1966, publication_id: 130

    Patrick, R. and C.W. Reimer. 1966. The Diatoms of the United States exclusive of Alaska and Hawaii. Volume 1. Fragilariaceae, Eunotoniaceae, Achnanthaceae, Naviculaceae. Monographs of the Academy of Natural Sciences of Philadelphia 13: 688 pp., 64 pls.



 
Metadata flags
 
Reporting_level_id=4
Published_species = yes
Descr_variety = no
Descr_form = no
Genus_sp_X_? = no
Unpublished_species = no
Cf_aff = no
Genus_sp_spp = no
AboveGenus_with_size_or_feature = no
AboveGenus = no
calacad_match_verified = no
publication_id_verified = yes
tilia_taxoncode = Achs.exigKr.he
calacad_match_nonexistent = no
 

 
algae_taxa_id=23, algae_genus_id=800
added by dbo on 7/18/2002 11:28:00 AM
last modified by dbo on 5/12/2008 10:26:00 AM
 
 
Search for this taxon in the ANS Diatom Herbarium

 
 

Page citation:
 
Phycology Section, Patrick Center for Environmental Research, Academy of Natural Sciences of Drexel University. Achnanthes exigua var. heterovalva (NADED 2008). https://diatom.ansp.org/taxaservice/ShowTaxon1.ashx?naded_id=2008. Accessed 17 Oct 2018. This web service reports all information about a given algae taxon available at the time of retrieval.


 

 
from Taxaservice v11.4 code update 6/17/2017
 


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