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Achnanthidium exiguum (NADED 1024)

authority:  (Grunow) Czarnecki

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

 


Link to this taxon in Catalogue of Diatom Names (CalAcad): TaxonCode 48935

Link to this taxon's identification guide in: Diatoms of the United States.

This NADED is equivalent to retired NADED 2007, which should no longer be in active use

Algae Group: Diatom
 
Division: Chrysophyta
  Class: Bacillariophyceae
    Order: Pennales
      Family: Achnanthidiaceae
        Genus: Achnanthidium
 
Species: exiguum
 
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This name was created in the database by Dr. Eduardo Morales

Short name: AHexigum

 
IN 9 TAXONOMIC LISTS:
 
26 ANSP-2011

    Remark: Transferred from 2007 list per the diatom taxonomic coordinator

    Concept publication: K&L-B 2/4 - Krammer, K. and H. Lange-Bertalot. 1991. Süßwasserflora...  year=1991
        Pl. 23, Fig. 1-19
 
21 ANSP-2007

    Remark: based on changes and revision of taxa list during and after 15th Workshop and by consent of all work participants

    Concept publication: K&L-B 2/4 - Krammer, K. and H. Lange-Bertalot. 1991. Süßwasserflora...  year=1991
        Pl. 23, Fig. 1-19
 
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NOT A SOURCE IN ANY CHANGE SYSTEMS
 
IN 10 CHANGE SYSTEMS AS TARGET:
 
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.


 
22 NAWQA 1997- to 2001-Start tax. system, diatoms (csat_id: 2939)
    from: Achnanthes exigua (NADED 2007)
    to: Achnanthidium exiguum (NADED 1024)

    REMARK: Achnanthidium exiguum


 
In correctional change system(s) as TARGET: More...
 
FOUND IN 2677 OFFICIAL COUNTS:  ...see sites on a mapmap
 
 site number  count and subproject
 NFS025  2   NEON02089 DT1 a 1 - 2018 NEON BLWA Periphyton 1 D082018082994300647
 NFS022  1   NEON01827 DT1 a 1 - 2018 NEON HOPB Periphyton 1 D0120180817104622920
 NFS022  2   NEON01818 DT1 a 1 - 2018 NEON HOPB Periphyton 2 D0120180817104622920
 NFS018  3   NEON01798 DT1 a 1 - 2018 NEON LECO Periphyton 1 D0720180817112235845
 NFS018  2   NEON01786 DT1 a 1 - 2018 NEON LECO Periphyton 2 D0720180817112235845
 NFS018  1   NEON01788 DT1 a 1 - 2018 NEON LECO Periphyton 2 D0720180817112235845
 NFS023  4   NEON01840 DT1 a 1 - 2018 NEON LEWI Periphyton 3 D0220180821134801078
 NFS024  2   NEON02111 DT1 a 1 - 2018 NEON TOMB Periphyton 1 D082018082994300647
 NFS015  1   NEON01805 DT1 a 1 - 2018 NEON WALK Periphyton 2 D0720180817112235845
 GS0247101325  3   AL000039 DT1 a 1 - 2002 Alabama Amy Gill 2002
 GS0247101325  2   AL000040 DT1 a 1 - 2002 Alabama Amy Gill 2002
 GS0247101475  4   AL000041 DT1 a 1 - 2002 Alabama Amy Gill 2002
 CR-BW  1   CHRS0001 DT1 a 1 - Christina River Pollution Histories 2008
 CR-BW  3   CHRS0008 DT1 a 1 - Christina River Pollution Histories 2008
 CR-BW  1   CHRS0011 DT1 a 1 - Christina River Pollution Histories 2008

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93 BIOVOLUME MEASUREMENTS (in shape_algae_taxa), range 3.0 - 560.0
 
Calculated biovolume: 31.5 μm3    added 12/4/2018 by hurley
ANSNNLECO182PR NEON01786 DT1 A LeConte Creek, slide_id=356970, mol_id=77
Measurement #103381 (Two Wedges), 3 dimensions:
   length=11.70000 μm
   width=5.39000 μm
   depth=1.00000 μm
 
Calculated biovolume: 80.6 μm3    added 6/14/2018 by ciugulea
ANSPNEON1728PP NEON01628 DT1 A Flint River, slide_id=354956, mol_id=83
Measurement #103255 (Two Wedges), 3 dimensions:
   length=12.40000 μm
   width=5.20000 μm
   depth=2.50000 μm
 
Calculated biovolume: 29 μm3    added 5/22/2018 by ciugulea
ANSPNEON1728PR NEON01631 DT1 A Flint River, slide_id=354890, mol_id=83
Measurement #102712 (Two Wedges), 3 dimensions:
   length=11.60000 μm
   width=5.00000 μm
   depth=1.00000 μm
 
Calculated biovolume: 29 μm3    added 5/22/2018 by ciugulea
ANSPNEON1728PR NEON01631 DT1 A Flint River, slide_id=354890, mol_id=83
Measurement #102711 (Two Wedges), 3 dimensions:
   length=11.60000 μm
   width=5.00000 μm
   depth=1.00000 μm
 
Calculated biovolume: 99 μm3    added 5/5/2018 by desianti
ANSPNEON1711PR NEON01140 DT1 A LeConte Creek, slide_id=352765, mol_id=262
Measurement #102341 (Monoraphidioid), 3 dimensions:
   height=12.32000 μm
   width of cell=5.62000 μm
   width of ellipse=1.39000 μm
 
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