Bird, C. J., Rice, E. L., Murphy, C. A., Liu, Q. Y., & Ragan, M. A. (1990). Nucleotide sequences of 18S ribosomal RNA genes from the red algae Gracilaria tikvahiae McLachlan, Gracilaria verrucosa (Hudson) Papenfuss and Gracilariopsis sp.

Bird, C J., E L. Rice, C A. Murphy, Q Y. Liu, ja M A. Ragan. Nucleotide Sequences of 18S Ribosomal RNA Genes From the Red Algae Gracilaria Tikvahiae McLachlan, Gracilaria Verrucosa (Hudson) Papenfuss and Gracilariopsis Sp. 1990.

Bird, C J., et al. Nucleotide Sequences of 18S Ribosomal RNA Genes From the Red Algae Gracilaria Tikvahiae McLachlan, Gracilaria Verrucosa (Hudson) Papenfuss and Gracilariopsis Sp. 1990.