Achnanthes expressa (NADED 2236)

authority: Carter

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

Algae Group: Diatom

Division: Chrysophyta
  Class: Bacillariophyceae
    Order: Pennales
      Family: Achnanthaceae
        Genus: Achnanthes

Species: expressa

NO PUBLIC IMAGES

NO PRIVATE IMAGES

Short name: ACexpres

IN 5 TAXONOMIC LISTS:

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IN 1 CHANGE SYSTEMS AS SOURCE:

29 NAWQA 2001-to 2004-Start tax. - 1 a, diatoms & soft algae (csat_id: 3670)
    from: Achnanthes expressa (NADED 2236)
    to: Navicula cryptotenella (NADED 46527)

REMARK: Determined by Krammer and Lange-Bertalot (1991) to be an incipient form of Navicula cryptotenella. Checked by EAM

NOT A TARGET IN ANY CHANGE SYSTEMS

FOUND IN 2 OFFICIAL COUNTS: ...see sites on a map

map

site	number	count and subproject
GS03478592	present	GSS01033 DT1 a 1 - Upper Tennessee River Basin (UTEN 1998) USGS NAWQA
GS09505800	present	GSL00626 DT1 A 1 - Central Arizon Basins (CAZB 1996) USGS NAWQA

NO BIOVOLUME MEASUREMENTS (in shape_algae_taxa)

NO RECORDS IN UNKNOWN-SHAPES-BIOVOLUMES

Publication: K&L-B 2/4
year: 1991, publication_id: 99

Krammer, K. and H. Lange-Bertalot. 1991. Süßwasserflora von Mitteleuropa. Band 2 (Bacillariophyceae) Teil 4(Achnanthaceae, Kritische Ergänzungen zu Navicula [Lineolate] und Gomphonema Gesamtliteraturverzeichnis Teil 1-4). Gustav Fischer Verlag. Stuttg

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
calacad_match_nonexistent = no

algae_taxa_id=249, algae_genus_id=800
added by dbo on 7/18/2002 11:28:00 AM
last modified by dbo on 7/18/2002 11:28:00 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 expressa (NADED 2236). https://diatom.ansp.org/taxaservice/ShowTaxon1.ashx?naded_id=2236. Accessed 28 Mar 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