Richards, A J; Ferguson-Smyth, C C (2012). "Taraxacum pankhurstianum (Asteraceae), a new dandelion endemic to St Kilda, Outer Hebrides, Scotland". New Journal of Botany. 2 (1): 16–19. doi:10.1179/2042349712Y.0000000006. ISSN2042-3489. S2CID84572499.
Richards, A J; Ferguson-Smyth, C C (2012). "Taraxacum pankhurstianum (Asteraceae), a new dandelion endemic to St Kilda, Outer Hebrides, Scotland". New Journal of Botany. 2 (1): 16–19. doi:10.1179/2042349712Y.0000000006. ISSN2042-3489. S2CID84572499.
Richards, A J; Ferguson-Smyth, C C (2012). "Taraxacum pankhurstianum (Asteraceae), a new dandelion endemic to St Kilda, Outer Hebrides, Scotland". New Journal of Botany. 2 (1): 16–19. doi:10.1179/2042349712Y.0000000006. ISSN2042-3489. S2CID84572499.