| Authors(s) | Balech, E. and K. Tangen |
| Year | 1985 |
| Title | Morphology and taxonomy of toxic species in the tamarensis group (Dinophyceae): Alexandrium excavatum (Braarud) comb. nov. and Alexandrium ostenfeldii comb. nov. Sarsia 70: 333-343. |
| Authors(s) | Balech, E. and K. Tangen |
| Year | 1985 |
| Title | Morphology and taxonomy of toxic species in the tamarensis group (Dinophyceae): Alexandrium excavatum (Braarud) comb. nov. and Alexandrium ostenfeldii comb. nov. Sarsia 70: 333-343. |