1. Bray TL, Neefus CD, Mathieson AC (2006) Morphological and molecular variability of Porphyra purpurea (Roth) C. Agardh (Rhodophyta, Bangiales) from the Northwest Atlantic. Nova Hedwig 82:1–22
2. Brodie JA, Irvine LM (2003) Seaweeds of the British Isles volume 1 part 3B Bangiophycidae. Intercept, Hampshire
3. Brodie J, Nielsen R (2005) The diversity of the Bangiophycidae (Rhodophyta) of the Faroes in the context of the northern Atlantic. Biofar Proceedings Fróðskaparrit (Annales Societatis Scientarum Færensis), pp 52–61
4. Brodie J, Zuccarello GC (2007) Systematics of the species-rich algae: red algal classification, phylogeny and speciation. In: Hodkinson TR, Parnell J, Waldren S (eds) The taxonomy and systematics of large and species-rich taxa: building and using the Tree of Life. Systematics Association Series, CRC, Boca Raton, FL, pp 317–330
5. Brodie J, Hayes PK, Barker GL, Irvine LM (1996) Molecular and morphological characters distinguishing two Porphyra species (Rhodophyta: Bangiophycidae). Eur J Phycol 31:303–308