Division/Phylum: Charophyta Class: Conjugatophyceae Order: Desmidiales

Note: for strains where we have DNA barcodes we can be reasonably confident of identity, however for those not yet sequenced we rely on morphology and the original identification, usually made by the depositor. Although CCAP makes every effort to ensure the correct taxonomic identity of strains, we cannot guarantee that a strain is correctly identified at the species, genus or class levels. On this basis users are responsible for confirming the identity of the strain(s) they receive from us on arrival before starting experiments.
For strain taxonomy we generally use AlgaeBase for algae and Adl et al. (2019) for protists.

Culture media, purity and growth conditions:
Medium: 3N-BBM+V; Bacteria present; maintained by serial subculture;
Attributes
Authority(West & West) Coesel & Meesters 2013
IsolatorOndracek
Collection Site former Czechoslovakia
Notes Name changed Feb18 as per AlgaeBase
Axenicity Status Bacteria present
Area Europe
Environment Freshwater
GMO No
Group Desmid
In Scope of Nagoya Protocol No
ABS Note Collected pre Nagoya Protocol. No known Nagoya Protocol restrictions for this strain.
Collection Date pre 1986
Original Designation Cosmarium 4
Pathogen Not pathogenic: Hazard Class 1
Strain Maintenance Sheet
Toxin Producer Not Toxic / No Data
Type Culture No
Taxonomy WoRMS ID 837018
Equivalent StrainsUTCC 40,UTEX 430
Synonyms Staurastrum orbiculare var. ralfsii West & West 1912
Formerly Listed in CCAP asStaurastrum orbiculare var. ralfsii

CCAP 679/2

Staurastrum ralfsii


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