Euglena gracilis var. bacillaris Pringsheim
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Schiff JA, et al.  Isolation of Mutants of Euglena gracilis: An Addendum. Methods Enzymol. 69: 1-29, 1980.
Goldstein NH, et al. Conservation of Plastid Forming Units (PFU) during bleaching in Eulgena gracilis var bacillaris. J. Protozool. 21: 443, 1974.