Sexual reproduction in field populations of the facultative apomict, Hieracium pilosella

References

• Bell , G. 1982 . The masterpiece of nature: The evolution and genetics of sexuality , 635 London : Croom Helm .
   Google Scholar
• Chapman , H. M. and Bicknell , R. A. 2000 . Recovery of a sexual and an apomictic hybrid from crosses between facultative apomicts Hieracium caespitosum and H. praealtum . New Zealand Journal of Ecology , 24 : 81 – 85 .
   Web of Science ®Google Scholar
• Chapman , H. M. and Lambie , S. C. 2000 . Chromosome numbers in New Zealand populations of Pilosella officinarum F.W. Shultz & Sch. Bip . IOPB Newsletter , 31 : 12
   Google Scholar
• Chapman , H. M. , Parh , D. and Oraguzie , N. 2000 . Genetic structure and colonizing success of a clonal weedy species, Pilosella officinarum. (Asteraceae) . Heredity , 84 : 401 – 409 .
   PubMed Web of Science ®Google Scholar
• Gadella , T. W. J. 1972 . Biosystematic studies in Hieracium pilosella L. and some related species of the subgenus Pilosella . Botaniska Notiser , 125 : 361 – 369 .
   Web of Science ®Google Scholar
• Gadella , T. W. J. 1987 . Sexual tetraploid and apomictic pentaploid populations of Hieracium pilosella (Compositae) . Plant Systematics and Evolution , 157 : 219 – 245 .
   Web of Science ®Google Scholar
• Gadella , T. W. J. 1991a . Reproduction, variation and interspecific hybridisation in three species of Hieracium section Pilosellina (Compositae) . Polish Botanical Studies , 2 : 85 – 103 .
   Google Scholar
• Gadella , T. W. J. 1991b . Variation, hybridisation and reproductive biology of Hieracium Pilosella L . Proceedings Koninklijke Nederlandse Akademie van Wetenschappen , 94 : 455 – 488 .
   Google Scholar
• Jenkins , T. A. 1991 . A review of characteristics of Mouse‐ear hawkweed (Hieracium pilosella) . New Zealand Ecological Society Occasional Publication , 2 : 15 – 23 .
   Google Scholar
• Jenkins , T. A. and Jong , K. 1996 . Significance of polyploid variation in New Zealand Pilosella and Hieracium (Asteraceae) . Botanical Journal of Scotland , 49 : 75 – 87 .
   Google Scholar
• Koltunow , A. M. , Johnson , S. D. and Bicknell , R. A. 1998 . Sexual and apomictic development in Hieracium . Sexual Plant Reproduction , 11 : 213 – 230 .
   Google Scholar
• Krahulcova , A. and Krahulec , F. 1999 . Chromosome numbers and reproductive systems in selected representatives of Hieracium subgen. Pilosella in the Krkonose Mts (the Sudeten Mts) . Preslia , 71 : 217 – 234 .
   Google Scholar
• Krahulcova , A. , Chrtek , J. and Krahulec , F. 1999 . Autogamy in Hieracium subgen Pilosella . Folia Geobotanica , 34 : 373 – 376 .
   Web of Science ®Google Scholar
• Makepeace , W. 1981 . Polymorphism and the chromosomal number of Hieracium pilosella L. in New Zealand . New Zealand Journal of Botany , 23 : 91 – 100 .
   Web of Science ®Google Scholar
• Murashige , T. and Skoog , F. 1962 . A revised medium for rapid growth and bio assays with tobacco tissue cultures . Physiologia Plantarum , 15 : 473 – 497 .
   Web of Science ®Google Scholar
• Richards , A. J. 1997 . Plant breeding systems , 2nd , 529 London : Chapman and Hall .
   Google Scholar
• Scott , D. 1993 . Time segment analysis of permanent quadrat data: Changes in Hieracium cover in the Waimakariri in 35 years . New Zealand Journal of Ecology , 17 : 53 – 57 .
   Web of Science ®Google Scholar
• Stace , C. 1997 . New flora of the British Isles , 2nd , 1130 Cambridge : Cambridge University Press .
   Google Scholar
• Webb , C. J. , Sykes , W. R. and Gamock‐Jones , P. J. 1988 . Flora of New Zealand , Vol. IV , 1365 Christchurch : DSIR Botany Division .
   Google Scholar