ANSP logo

Achnanthidium exiguum var. heterovalvum (NADED 1026)

authority:  (Krasske) Czarnecki

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

  

Link to this taxon in Catalogue of Diatom Names (CalAcad): TaxonCode 48936

Algae Group: Diatom
 
Division: Chrysophyta
  Class: Bacillariophyceae
    Order: Pennales
      Family: Achnanthidiaceae
        Genus: Achnanthidium
 
Species: exiguum
Third_taxon_name: var.
Variety: heterovalvum
 
NO PUBLIC IMAGES
 
NO PRIVATE IMAGES
 

This name was created in the database by Dr. Eduardo Morales

Short name: AHexihet

 
IN 6 TAXONOMIC LISTS:
 
26 ANSP-2011

    Remark: Brought from 2007 list due to use in NLA

    Concept publication: Krasske 1923 - Krasske, G. 1923. Die Diatomeen des Casseler Beckens un...  year=1923
        p. 193; fig. 9a-b
 
21 ANSP-2007

    Remark: Per the diatom taxonomic coordinator for NLA NRSA

    Concept publication: Krasske 1923 - Krasske, G. 1923. Die Diatomeen des Casseler Beckens un...  year=1923
        p. 193; fig. 9a-b
 
More...
 
 
IN 1 CHANGE SYSTEMS AS SOURCE:
 
29 NAWQA 2001-to 2004-Start tax. - 1 a, diatoms & soft algae (csat_id: 3691)
    from: Achnanthidium exiguum var. heterovalvum (NADED 1026)
    to: Achnanthidium exiguum (NADED 1024)

    REMARK: This was determined to be A. exiguum during 10th workshop. This is a change in all accounts of this taxon.


 
IN 2 CHANGE SYSTEMS AS TARGET:
 
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 TARGET: More...
 
FOUND IN 218 OFFICIAL COUNTS:  ...see sites on a mapmap
 
 site number  count and subproject
 GS02471013  1   AL000036 DT1 a 1 - 2002 Alabama Amy Gill 2002
 GS02471013  1   AL000037 DT1 a 1 - 2002 Alabama Amy Gill 2002
 GS0247101325  1   AL000038 DT1 a 1 - 2002 Alabama Amy Gill 2002
 GS0247101475  4   AL000042 DT1 a 1 - 2002 Alabama Amy Gill 2002
 GS0247101475  2   AL000043 DT1 a 1 - 2002 Alabama Amy Gill 2002
 DP01  1   DP000003 DT1 a 1 - DuPont Spruance Ponds 2004
 GS14206950  2   GSN99314 DT1 a 1 - Willamette River Basins (WILL 2002) USGS NAWQA
 GS14206950  1   GSN99322 DT1 a 1 - Willamette River Basins (WILL 2002) USGS NAWQA
 GS08014500  13   GSN99792 DT1 a 1 - Acadian-Pontchartrain (ACAD 2002) USGS NAWQA
 GS08014500  47   GSN99797 DT1 a 1 - Acadian-Pontchartrain (ACAD 2002) USGS NAWQA
 GS08012150  1   GSN99817 DT1 a 1 - Acadian-Pontchartrain (ACAD 2002) USGS NAWQA
 GS07379960  3   GSN99819 DT1 a 1 - Acadian-Pontchartrain (ACAD 2002) USGS NAWQA
 GS07379960  7   GSN99826 DT1 a 1 - Acadian-Pontchartrain (ACAD 2002) USGS NAWQA
 GS06775900  1   GSN99338 DT1 a 1 - Central Nebraska Basins (CNBR 2002) USGS NAWQA
 GS06775900  2   GSN99366 DT1 a 1 - Central Nebraska Basins (CNBR 2002) USGS NAWQA

More...
 

55 BIOVOLUME MEASUREMENTS (in shape_algae_taxa), range 33.7 - 202.3
 
Calculated biovolume: 130 μm3    added 10/26/2005
ANSPGS0502PR GS131605 DT1 A EDISTO RIVER NEAR COTTAGEVILLE,SC, slide_id=288841, mol_id=73
Measurement #58031 (Two Wedges), 3 dimensions:
   length=35.00000 μm
   width=11.00000 μm
   depth=10.00000 μm
 
Calculated biovolume: 97.1 μm3    added 10/26/2005
ANSPGS0502PR GS131605 DT1 A EDISTO RIVER NEAR COTTAGEVILLE,SC, slide_id=288841, mol_id=73
Measurement #58030 (Two Wedges), 3 dimensions:
   length=24.00000 μm
   width=12.00000 μm
   depth=10.00000 μm
 
Calculated biovolume: 122 μm3    added 10/26/2005
ANSPGS0502PR GS131605 DT1 A EDISTO RIVER NEAR COTTAGEVILLE,SC, slide_id=288841, mol_id=73
Measurement #58029 (Two Wedges), 3 dimensions:
   length=33.00000 μm
   width=11.00000 μm
   depth=10.00000 μm
 
Calculated biovolume: 119 μm3    added 10/26/2005
ANSPGS0502PR GS131605 DT1 A EDISTO RIVER NEAR COTTAGEVILLE,SC, slide_id=288841, mol_id=73
Measurement #58028 (Two Wedges), 3 dimensions:
   length=32.00000 μm
   width=11.00000 μm
   depth=10.00000 μm
 
Calculated biovolume: 115 μm3    added 10/26/2005
ANSPGS0502PR GS131605 DT1 A EDISTO RIVER NEAR COTTAGEVILLE,SC, slide_id=288841, mol_id=73
Measurement #58027 (Two Wedges), 3 dimensions:
   length=31.00000 μm
   width=11.00000 μm
   depth=10.00000 μm
 
More...

 

NO RECORDS IN UNKNOWN-SHAPES-BIOVOLUMES
 


Publication:  Czarnecki 1994
    year: 1994, publication_id: 744

    Czarnecki, D.B. 1994. The freshwater diatom culture collection at Loras College, Dubuque, Iowa. In Kociolek, J.P. (Ed.). Proceedings of the 11th International Diatom Symposium, San Francisco, California, 12-17 August 1990. Memoirs of the California Academy of Sciences no. 17: 155-174.



 
Metadata flags
 
Reporting_level_id=2
Published_species = yes
Descr_variety = yes
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 = yes
publication_id_verified = yes
tilia_taxoncode = Achid.exigKr.he
calacad_match_nonexistent = no
 

 
algae_taxa_id=7267, algae_genus_id=801
added by phycology_browser on 11/26/2002 8:12:00 AM
last modified by palmer on 5/11/2012 1:32:00 PM
 
 
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. Achnanthidium exiguum var. heterovalvum (NADED 1026). https://diatom.ansp.org/taxaservice/ShowTaxon1.ashx?naded_id=1026. Accessed 02 Oct 2023. This web service reports all information about a given algae taxon available at the time of retrieval.


 

 
from Taxaservice v12.2 code update 10/08/2021
 

© 1998 - 2022 All Rights Reserved
The Academy of Natural Sciences of Drexel Univ., 1900 Benjamin Franklin Parkway, Philadelphia, PA 19103
Email: