Authors: Barker, NP Clark, LG Davis, JI Duvall, MR Guala, GF Hsiao, C Kellogg, EA Linder, HP Mason-Gamer, RJ Mathews, SY Simmons, MP Soreng, RJ Spangler, RE

Citation: Np. Barker et al., Phylogeny and subfamilial classification of the grasses (Poaceae), ANN MO BOT, 88(3), 2001, pp. 373-457

Authors: Barker, NP Faden, RB Brink, E Dold, AP

Citation: Np. Barker et al., Commelinaceae - Rediscovery of Triceratella drummondii, and comments on its relationships and position within the family, BOTHALIA, 31(1), 2001, pp. 37-39

Authors: Barker, NP

Citation: Np. Barker, Merxmuellera cincta subsp. sericea (Poaceae), a new subspecies from the Eastern Cape, South Africa, S AFR J BOT, 65(1), 1999, pp. 104-109

Authors: Barker, NP Linder, HP Harley, EH

Citation: Np. Barker et al., Sequences of the grass-specific insert in the chloroplast rpoC2 gene elucidate generic relationships of the Arundinoideae (Poaceae), SYST BOT, 23(3), 1998, pp. 327-350