Journal and Other Publications (Quentin Cronk)



Bräutigam, K., R. Soolanayakanahally, M. Champigny, S. Mansfield, C. Douglas, M.M. Campbell & Q.C.B. Cronk (2017) Sexual epigenetics: gender-specific methylation of a gene in the sex determining region of Populus balsamifera. Scientific Reports 7, 45388; doi: 10.1038/srep45388. Full text:

Wonglersak R, Cronk Q, Percy D. (2017) Salix transect of Europe: structured genetic variation and isolation-by-distance in the nettle psyllid, Trioza urticae (Psylloidea, Hemiptera), from Greece to Arctic Norway. Biodivers Data J.: e10824. doi: 10.3897/BDJ.5.e10824.

Ojeda DI, Jaén-Molina R, Santos-Guerra A, Caujape-Castells J, Cronk Q. (2017) Temporal, but not spatial, changes in expression patterns of petal identity genes are associated with loss of papillate conical cells and the shift to bird pollination in Macaronesian Lotus (Leguminosae). Plant Biol (Stuttg). doi: 10.1111/plb.12551.

Allen JM, Boyd B, Nguyen NP, Vachaspati P, Warnow T, Huang DI, Grady PG, Bell KC, Cronk QC, Mugisha L, Pittendrigh BR, Soledad Leonardi M, Reed DL, Johnson KP. (2017) Phylogenomics from Whole Genome Sequences Using aTRAM. Syst Biol. doi: 10.1093/sysbio/syw105.

Yang, J.Y., Lambdon, P., Williams, V. (2017) Plastid markers from whole plastome sequencing for gene-flow studies in the endangered endemic bellflowers of St Helena, Wahlenbergia angustifolia and Wahlenbergia linifolia (Campanulaceae). Conservation Genetics Resources 9: 131–137


Canty R, Ruzzier E, Cronk Q, Percy D. (2016) Salix transect of Europe: patterns in the most abundant chrysomelid beetle (Coleoptera: Chrysomelidae) herbivores of willow from Greece to Arctic Norway. Biodivers Data J.: e10194.

Cronk Q, Hidalgo O, Pellicer J, Percy D, Leitch IJ. (2016) Salix transect of Europe: variation in ploidy and genome size in willow-associated common nettle, Urtica dioica L. sens. lat., from Greece to arctic Norway. Biodivers Data J.: e10003.

Cronk Q, Yang JY. (2016) Hybridization between pollination syndromes as an ecological and evolutionary resource. Mol Ecol. 25: 5827-5829. doi: 10.1111/mec.13903.3Z

Cronk, Quentin C.B. and Groover, Andrew T. (2016) Introduction: Comparative Genomics of Angiosperm Trees: A New Era of Tree Biology. Pp. 1-11 in: Comparative Genomics of Angiosperm Trees. Springer: New York.

Cronk, Q.C. (2016) Conservation of Island Flora and Fauna. In: eLS [Encyclopedia of Life Sciences]. John Wiley & Sons Ltd, Chichester. [doi: 10.1002/9780470015902.a0026274]

Cronk, Q.C. (2016). Plant extinctions take time. Science, 353 (6298), 446-447.

Suarez‐Gonzalez, A., Hefer, C. A., Christe, C., Corea, O., Lexer, C., Cronk, Q. C., & Douglas, C. J. (2016). Genomic and functional approaches reveal a case of adaptive introgression from Populus balsamifera (balsam poplar) in P. trichocarpa (black cottonwood). Molecular ecology 25(11): 2427-2442


Bailey S, Percy DM, Hefer CA, Cronk QCB (2015) The transcriptional landscape of insect galls: psyllid (Hemiptera) gall formation in Hawaiian Metrosideros polymorpha (Myrtaceae). BMC Genomics 16: 943 doi:10.1186/s12864-015-2109-9

Cronk QC, Ruzzier E, Belyaeva I, Percy DM (2015) Salix transect of Europe: latitudinal patterns in willow diversity from Greece to arctic Norway. Biodiversity Data Journal 3: e6258 doi:10.3897/BDJ.3.e6258 []

DI Huang, QCB Cronk (2015) Plann: A command-line application for annotating plastome sequences. Applications in plant sciences 3 (8).
H Dempewolf, M Tesfaye, A Teshome, AD Bjorkman, RL Andrew, M Scascitelli, S Black, E Bekele, JMM Engels, QCB Cronk, LH Rieseberg (2015) Patterns of domestication in the Ethiopian oil‐seed crop noug (Guizotia abyssinica). Evolutionary Applications 8 (5), 464-475
JM Allen, DI Huang, QC Cronk, KP Johnson (2015) aTRAM-automated target restricted assembly method: a fast method for assembling loci across divergent taxa from next-generation sequencing data. BMC Bioinformatics 16 (1), 98.

Geraldes A, Hefer C A, Capron A, Kolosova N, Martinez-Nuñez F, Soolanayakanahally RY, Stanton B, Guy RD, Mansfield SD, Douglas CJ, Cronk QCB (2015) Recent Y chromosome divergence despite ancient origin of dioecy in poplars (Populus). Molecular Ecology DOI: 101111/mec13126


Sveinsson S, Cronk Q. (2014) Evolutionary origin of highly repetitive plastid genomes within the clover genus (Trifolium). BMC Evolutionary Biology 14: 228.

Huang D, Hefer C, Kolosova N, Douglas C, Cronk QC (2014) Whole plastome sequencing reveals deep plastid divergence and cytonuclear discordance between closely related balsam poplars, Populus balsamifera and P. trichocarpa (Salicaceae). New Phytologist 204 (3), 693-703.

Percy DM, Argus GW, Cronk QC, Fazekas AJ, Kesanakurti PR, Burgess KS, Husband BC, Newmaster SG, Barrett SCH and Graham SW (2014). Understanding the spectacular failure of DNA barcoding in willows (Salix): Does this result from a trans-specific selective sweep? Molecular Ecology 23 (19), 4737-4756.

Geraldes A, Farzaneh N, Grassa CJ, McKown AD, Guy RD, Mansfield SD, Douglas CJ, Cronk QC (2014) Landscape genomics of Populus trichocarpa: the role of hybridization, limited gene flow and natural selection in shaping patterns of population structure. Evolution 68 (11), 3260-3280.

Ojeda DI, Santos-Guerra A, Oliva-Tejera F, Jaen-Molina R, Caujapé-Castells J, Marrero-Rodríguez Á, & Cronk Q. (2014). DNA barcodes successfully identified Macaronesian Lotus (Leguminosae) species within early diverged lineages of Cape Verde and mainland Africa. AoB plants, 6, plu050.

McKown AD, RDGuy, J Klápště, A Geraldes, M Friedmann, QCB Cronk, YA El‐Kassaby, SD Mansfield, and CJ Douglas. (2014) Geographical and environmental gradients shape phenotypic trait variation and genetic structure in Populus trichocarpa. New Phytologist 201: 1263-1276.

McKown AD, Klápště J, Guy RD, Geraldes A, Porth I, Hannemann J, Friedmann M, Muchero W, Tuskan GA, Ehlting J, Cronk QC, El-Kassaby YA, Mansfield SD, Douglas CJ. (2014) Genome-wide association implicates numerous genes underlying ecological trait variation in natural populations of Populus trichocarpa. New Phytol. 203: 535–553, doi: 10.1111/nph.12815.

Sveinsson S, McDill J, Wong GKS, Li J, Li X, Deyholos MK and Cronk, Q (2014) Phylogenetic pinpointing of a paleopolyploidy event within the flax genus (Linum) using transcriptomics. Annals of Botany 113: 753-761. For pdf click image:

Porth I, Klápště J, McKown AD, La Mantia J, Hamelin RC, Skyba O, Unda F, Friedmann MC, Cronk QCB, Ehlting J, Guy RD, Mansfield SD, El-Kassaby YA, & Douglas CJ. (2014). Extensive functional pleiotropy of REVOLUTA substantiated through forward genetics. Plant Physiology, 164(2), 548-554.


Groover A, Cronk Q (2013) From Nehemiah Grew to genomics: The emerging field of evo-devo research for woody plants. International Journal of Plant Sciences 174: 959-963.

Porth I, Klapšte J, Skyba O, Hannemann J, McKown AD, Guy RD, DiFazio SP, Muchero W, Ranjan P, Tuskan GA, Friedmann MC, Ehlting J, Cronk QCB, El-Kassaby YA, Douglas CJ, Mansfield SD (2013) Genome-wide association mapping for wood characteristics in Populus identifies an array of candidate single nucleotide polymorphisms. New Phytologist: doi: 10.1111/nph.12422

Sveinsson S, Gill N, Kane NC, Cronk QCB (2013) Transposon fingerprinting using low coverage whole genome shotgun sequencing in Cacao (Theobroma cacao L.) and related species. BMC Genomics 14: 502.

Bao H, Li E, Mansfield SD, Cronk QC, El-Kassaby YA, Douglas CJ (2013) The developing xylem transcriptome and genome-wide analysis of alternative splicing in Populus trichocarpa (black cottonwood) populations. BMC Genomics 14: 359

Ojeda I, Santos-Guerra A, Oliva-Tejera F, Valido A, Xue X, Marrero A, Caujapé-Castells J, Cronk QCB (2013) Bird-pollinated Macaronesian Lotus (Leguminosae) evolved within a group of entomophilous ancestors with post-anthesis flower colour change. Perspectives in Plant Ecology, Evolution and Systematics 15:193–204.

Nowak JS, Douglas C, Cronk QC (2013) Abaxial greening phenotype in hybrid aspen. Plants 2: 279-301; doi:10.3390/plants2020279

Yang JY, Scascitelli M, Motilal LA, Sveinsson S, Engels JMM, Kane NC, Dempewolf H, Zhang D, Maharaj K, and Cronk QCB (2013) Complex origin of Trinitario-type Theobroma cacao (Malvaceae) from Trinidad and Tobago revealed using plastid genomics. Tree Genetics and Genomes 9: 829-840 DOI 10.1007/s11295-013-0601-4.

Geraldes A, DiFazio SP, Slavov GT, Ranjan P, Muchero W, Hannemann J, Gunter LE, Wymore LE, Grassa CJ, Farzaneh N, Porth I, McKown AD, Skyba O, Li E, Fujita M, Klapště J, Martin J, Schackwitz W, Pennacchio C, Rokhsar D, Friedmann MC, Wasteneys GO, Guy RD, El-Kassaby YA, Mansfield SD, Cronk QCB, Ehlting J, Douglas CJ, and Tuskan GA (2013). A 34K SNP genotyping array for Populus trichocarpa: Design, application to the study of natural populations and transferability to other Populus species. Molecular Ecology Resources 13: 306–323.


Slavov GT, Difazio SP, Martin J, Schackwitz W, Muchero W, Rodgers-Melnick E, Lipphardt MF, Pennacchio CP, Hellsten U, Pennacchio LA, Gunter LE, Ranjan P, Vining K, Pomraning KR, Wilhelm LJ, Pellegrini M, Mockler TC, Freitag M, Geraldes A, El-Kassaby YA, Mansfield SD, Cronk QC, Douglas CJ, Strauss SH, Rokhsar D, Tuskan GA. (2012) Genome resequencing reveals multiscale geographic structure and extensive linkage disequilibrium in the forest tree Populus trichocarpa. New Phytologist 196: 713-25

Wang Z, Hobson N, Galindo L, Zhu S, Shi D, McDill J, Yang L, Hawkins S, Neutelings G, Datla R, Lambert G, Galbraith DW, Grassa CJ, Geraldes A, Cronk QC, Cullis C, Dash PK, Kumar PA, Cloutier S, Sharpe AG, Wong GK, Wang J, Deyholos MK. (2012) The genome of flax (Linum usitatissimum) assembled de novo from short shotgun sequence reads. Plant Journal 72: 461-73

Ojeda I, Santos-Guerra A, Caujapé-Castells J, Jaén-Molina R, Marrero A, Cronk QCB (2012) Comparative micromorphology of petals in Macaronesian Lotus (Leguminosae) reveals a loss of papillose conical cells during the evolution of bird pollination. International Journal of Plant Sciences 173: 365-374.

Kane NC, Sveinsson S, Dempewolf H, Yang JY, Zhang D, Engels JMM, Cronk QCB (2012) Ultra-barcoding in cacao (Theobroma spp.) using whole chloroplast genomes and nuclear ribosomal DNA. American Journal of Botany 99: 320–329 (Special issue on next generation sequencing).

Ojeda I, Santos-Guerra A, Jaén-Molina R, Oliva-Tejera F, Caujapé-Castelis J, Cronk QCB (2012). The origin of bird pollination in Macaronesian Lotus (Loteae, Leguminosae). Molecular Phylogenetics and Evolution 62: 306-18.


Yang JY, Motilal LA, Dempewolf H, Maharaj K, Cronk QCB (2011) Chloroplast microsatellite primers for cacao (Theobroma cacao) and other Malvaceae. American Journal of Botany 98, e372-4.

Geraldes A, Pang J, Thiessen N, Cezard T, Moore R, Zhao Y, Tam A, Wang S, Friedmann M, Birol I, Jones SJM, Cronk QCB and Douglas CJ (2011). SNP discovery in black cottonwood (Populus trichocarpa) by population transcriptome resequencing. Molecular Ecology Resources 11(s1), 81-92.

Wang L, Beyer ST, Cronk QCB, Walus K (2011) Delivering high-resolution landmarks using inkjet micropatterning for spatial monitoring of leaf expansion. Plant Methods 2011, 7:1
Ink-jet_Lisheng_paper.pdfClick for pdf

Dempewolf H, Kane NC, Ostevik KL, Geleta M, Barker MS, Lai Z, Stewart ML, Bekele E, Engels JMM, Cronk QCB, Rieseberg LH (2010) Establishing genomic tools and resources for Guizotia abyssinica (L.f.) Cass.-the development of a library of expressed sequence tags, microsatellite loci, and the sequencing of its chloroplast genome. Molecular Ecology Resources 10, 1048-1058

Nowak JS, Ono J, Cronk QCB (2010) Anatomical study of an aquatic mustard: Subularia aquatica (Brassicaceae). Aquatic Botany 93, 55-58

Cronk QCB (2009) Evolution in reverse gear: the molecular genetics of loss and reversal. In: Evolution: The Molecular Landscape (Cold Spring Harbor Symposia on Quantitative Biology LXXIV). Pp. 259-266.
Evol_Reverse.pdfClick on image for pdf

Cronk, QCB, Percy DM (2009) Endemism. In Encyclopedia of Islands (RG Gillespie and DA Clague eds). University of California Press.

Ojeda, I, Francisco-Ortega, J, Cronk, QCB (2009) Evolution of petal epidermal micromorphology in Leguminosae and its use as a marker of petal identity. Annals of Botany 104(6), 1099–1110.

Kane, NC, Cronk, QCB (2008) Botany without borders: barcoding in focus. Molecular Ecology 17, 5175-5176.


1. Cronk, QCB, Ojeda, I (2008) Bird-pollinated flowers in an evolutionary and molecular context. Journal of Experimental Botany 59, 715-727

2. Dempewolf, H, Rieseberg, LH, Cronk, QCB (2008) Crop domestication in the Compositae: a family-wide trait assessment. Genetic Resources and Crop Evolution 55, 1141-1157.

3. Temmel, NA, Rai, HS, Cronk, QCB (2007). Sequence characterization of the putatively sex-linked Ssu72-like locus in willow and its homologue in poplar. Canadian Journal of Botany-Revue Canadienne de Botanique 85, 1092-1097

4. Reaser, JK, Meyerson, LA, Cronk, Q, De Poorter, M, Eldrege, LG, Green, E, Kairo, M, Latasi, P, Mack, RN, Mauremootoo, J, O'Dowd, D, Orapa, W, Sastroutomo, S, Saunders, A, Shine, C, Thrainsson, S, Vaiutu, L (2007) Ecological and socioeconomic impacts of invasive alien species in island ecosystems. Environmental Conservation 34, 98-111

5. Mabee, PM, Ashburner, M, Cronk, Q, Gkoutos, GV, Haendel, M, Segerdell, E, Mungall, C, Westerfield, M (2007) Phenotype ontologies: the bridge between genomics and evolution. Trends in Ecology & Evolution 22, 345-350

6. Denduangboripant, J, Cronk, QCB, Kokubugata, G, Moller, M. (2007) Variation and inheritance of nuclear ribosomal DNA clusters in Streptocarpus (Gesneriaceae) and their biological and phylogenetic implications. International Journal of Plant Sciences 168, 455-467

7. Whitton, J, Cronk, Q (2006) The origin of species - Genetics of speciation: American Genetics Association Annual Symposium, co-sponsored by Molecular Ecology, the University of British Columbia, Vancouver, Canada, 21-24 July 2006. New Phytologist 172, 390-392.

8. Tuskan, GA [and 109 other authors] (2006) The genome of black cottonwood, Populus trichocarpa (Torr. & Gray). Science 313, 1596-1604.

9. Citerne, HL, Pennington, RT, Cronk, QCB (2006) An apparent reversal in floral symmetry in the legume Cadia is a homeotic transformation. Proceedings of the National Academy of Sciences of the United States of America 103, 12017-12020.

10. Cronk, QCB (2006) Legume flowers bear fruit. Proceedings of the National Academy of Sciences of The United States of America 103, 4801-4802.

11. Cronk, Q, Ojeda, I, Pennington, RT (2006) Legume comparative genomics: progress in phylogenetics and phylogenomics. Current Opinion in Plant Biology 9, 99-103.

12. Gilchrist, E.J., Haughn, G.W., Ying, C.C., Otto, S.P., Zhuang, J., Cheung, D., Hamberger, B., Aboutorabi, F., Kalynyak, T., Johnson, L., Bohlmann, J., Ellis, B.E., Douglas, C.J. and Cronk, Q.C.B. (2006). Use of Ecotilling as an efficient SNP discovery tool to survey genetic variation in wild populations of Populus trichocarpa. Molecular Ecology 15, 1367-1378.

13. Cronk, Q.C.B., Kiehn, M., Wagner, W.L. and Smith, J.E. (2005). Evolution of Cyrtandra (Gesneriaceae) in the Pacific Ocean: The origin of a supertramp clade. American Journal of Botany 92, 1017-1024.

14. Chen, S.T., Guan, K.Y., Zhou, Z.K., Olmstead, R. and Cronk, Q.C.B. (2005) Molecular phylogeny of Incarvillea (Bignoniaceae) based on its and trnL-F sequences. American Journal of Botany 92, 625-633.

15. Cronk, QCB (2005) Plant eco-devo: the potential of poplar as a model organism. New Phytologist, 166 (1): 39-48

16. Harrison, J., Möller, M., Langdale, J., Cronk, Q.C.B. and Hudson, A. (2005) The role of KNOX genes in the evolution of morphological novelty in Streptocarpus. Plant Cell 17, 430-443.

17. Ireland, H.E., Clutterbuck, A., Cloquet, J.P., Thurston, M.I., Williams, P.A., Cronk, Q.C.B., Dewey, F.M., and Williams, J.H.H. (2004). The development of immunoassays to identify and quantify species source of gum arabic. Journal of Agricultural and Food Chemistry 52, 7804-7808.

18. Pennington, R.T., Cronk, Q.C.B. and Richardson, J.A. (2004). Introduction and synthesis: Plant phylogeny and the origin of major biomes. Philosophical Transactions of the Royal Society of London, Ser. B, Biological Sciences 359, 1455-64.

19. Cronk, Q.C.B. (2004). The new science of adaptation: an introduction. Chapter 1 in: Q.C.B. Cronk, R. Ree, I.E.P Taylor and J. Whitton. Plant Adaptation: Ecology and Molecular Biology. NRC Press, Ottawa.

20. Graham, S.W. and Cronk, Q.C.B. (2004). The imbalanced supertree of flowering-plant phylogeny. Genome Biology 5, Art. No. 236.

21. Wang C.-N., Möller M. and Cronk, Q.C.B. (2004). Phylogenetic position of Titanotrichum oldhamii (Gesneriaceae) inferred from four different gene regions. Systematic Botany 29, 407-418.

22. Wang, C.-N., Möller, M., and Cronk, Q.C.B. (2004). Aspects of sexual failure in the reproductive processes of a rare bulbiliferous plant, Titanotrichum oldhamii (Gesneriaceae), in subtropical Asia. Sexual Plant Reproduction 17 (1): 23-31

23. Bramley, G.L.C., Weber, A., Cronk, Q.C.B. and Bokhari, M.H. (2004). The genus Cyrtandra (Gesneriaceae) in Peninsular Malaysia and Singapore. Edinburgh Journal of Botany 60, 331-360 (2003 publ. 2004).

24. Ngamriabsakul, C., Newman, M.F. and Cronk, Q.C.B. (2004). The phylogeny of tribe Zingibereae (Zingiberaceae) based on ITS (nrDNA) and trnL-F (cpDNA) sequences. Edinburgh Journal of Botany 60, 483-507 (2003 publ. 2004).

25. Eastwood, A., Cronk, Q.C.B., Vogel, J.C. and Hemp, A. (2004). Comparison of molecular and morphological data on St Helena: Elaphoglossum. Plant Systematics and Evolution 245, 93-106.

26. Eastwood, A., Vogel, J., Gibby, M. and Cronk, Q.C.B. (2004). Relationships and genetic diversity of endemic Elaphoglossum from St Helena. Plant Systematics and Evolution 245, 107-118.

27. Wang, C.-N., Möller, M. and Cronk, Q.C.B. (2004). Altered expression of GFLO, the Gesneriaceae homologue of FLORICAULA/LEAFY, is associated with the transition to bulbil formation in Titanotrichum oldhamii. Development, Genes and Evolution 214, 122-127.

28. Ree, R.H., Citerne, H.L., Lavin, M. and Cronk, Q.C.B. (2004). Heterogeneous selection on LEGCYC paralogs in relation to flower morphology and the phylogeny of Lupinus (Leguminosae). Molecular Biology and Evolution 21, 321-331.

29. Percy, D.M., Page, R.D.M. and Cronk, Q.C.B. (2004). Plant-insect interactions: Double-dating associated insect and plant lineages reveals asynchronous radiations. Systematic Biology 53, 120-127.

30. Wang, C.-N., Möller, M. and Cronk, Q.C.B. (2004). Population genetic structure of Titanotrichum oldhamii (Gesneriaceae), a subtropical bulbiliferous plant with mixed sexual and asexual reproduction. Annals of Botany 93, 201-209.

31. Eastwood, A., Gibby, M. and Cronk, Q.C.B. (2004). Evolution of St Helena arborescent Astereae (Asteraceae): relationships of the genera Commidendrum and Melanodendron. Botanical Journal Of The Linnean Society 144, 69-83.

32. Cronk, Q.C.B. (2004). L-A Dode on poplar: a commentary on the "Extraits d'une Monographie inédite du Genre Populus" (1905). Davidsonia 15, 87-97.

33. Bramley, G.L.C., Pennington, R.T., Zakaria R., Tjitrosoedirdjo, S.S. and Cronk, Q.C.B. (2004). Assembly of tropical plant diversity on a local scale: Cyrtandra (Gesneriaceae) on Mount Kerinci, Sumatra. Biological Journal Of The Linnean Society 81, 49-62.

34. Wang, C.-N. and Cronk, Q.C.B. (2003). Meristem fate and bulbil formation in Titanotrichum (Gesneriaceae). American Journal of Botany 90, 1696-1707.

35. Bramley, G.L.C. and Cronk, Q.C.B. (2003). The Cyrtandra (Gesneriaceae) species of Mount Kerinci, Sumatra. Harvard Papers in Botany 7, 407-421.

36. Citerne, H.L., Luo, D., Pennington, R.T., Coen, E. and Cronk, Q.C.B. (2003). A phylogenomic investigation of CYCLOIDEA-like TCP genes in the Leguminosae. Plant Physiology 131, 1042-1053.

37. Richardson, J.E., Fay, M.F., Cronk, Q.C.B. and Chase, M.W. (2003). Species delimitation and the origin of populations in island representatives of Phylica (Rhamnaceae). Evolution 57, 816-827.

38. Cronk, Q.C.B. (2002). Perspectives and paradigms in plant evo-devo. Ch. 1 in: Developmental Genetics and Plant Evolution (eds Q.C.B. Cronk, R.M. Bateman and J.A. Hawkins), Taylor & Francis, London, pp. 1-14.

39. Harrison, C.J., Cronk, Q.C.B. and Hudson, A. (2002). An overview of seed plant leaf evolution. Ch. 20 in: Developmental Genetics and Plant Evolution (eds Q.C.B. Cronk, R.M. Bateman and J.A. Hawkins), Taylor & Francis, London, pp. 395-403.

40. Pico, F.X., Möller, M., Ouborg, N.J. and Cronk, Q.C.B. (2002). Single nucleotide polymorphisms in the coding region of the developmental gene Gcyc in natural populations of the relict Ramonda myconi (Gesneriaceae). Plant Biology 4, 625-629.

41. Percy, D.M. and Cronk, Q.C.B. (2002). Different fates of island brooms: Contrasting evolution in Adenocarpus, Genista, and Teline (Genisteae, Fabaceae) in the Canary Islands and Madeira. American Journal of Botany 89, 854-864.

42. Möller, M. and Cronk, Q.C.B. (2002). Phylogenetic studies in Streptocarpus (Gesneriaceae): reconstruction of biogeographic history and distribution patterns. Systematics and Geography of Plants 71, 545-555 (2001, publ. 2002).

43. Richardson, J.E., Weitz, F.M., Fay, M.F., Cronk, Q.C.B., Linder, H.P., Reeves, G. and Chase, M.W. (2001). Phylogenetic analysis of Phylica L. (Rhamnaceae) with an emphasis on island species: evidence from plastid trnL-F and nuclear internal transcribed spacer (ribosomal) DNA sequences. Taxon 50, 405-427.

44. Denduangboripant, J., Mendum, M. and Cronk, Q.C.B. (2001). Evolution in Aeschynanthus (Gesneriaceae) inferred from ITS sequences. Plant Systematics and Evolution 228, 181-197.

45. Atkins, H. and Cronk, Q.C.B. (2001). The genus Cyrtandra (Gesneriaceae) in Palawan, Philippines. Edinburgh Journal of Botany 58, 443-458.

46. Cronk, Q.C.B. (2001). Plant evolution and development in a post-genomic context. Nature Reviews Genetics 2, 607-619.

47. Denduangboripant, J. and Cronk, Q.C.B. (2001). Evolution and alignment of the hypervariable arm 1 of Aeschynanthus (Gesneriaceae) ITS2 nuclear ribosomal DNA. Molecular Phylogenetics and Evolution 20, 163-172.

48. Richardson, J.E., Weitz, F.M., Fay, M.F., Cronk, Q.C.B., Linder, P., Reeves, G. and Chase, M.W. (2001). Rapid and recent origin of species richness in the Cape flora of South Africa. Nature 412, 181-183.

49. Möller, M. and Cronk, Q.C.B. (2001). Evolution of morphological novelty: A phylogenetic analysis of growth patterns in Streptocarpus (Gesneriaceae). Evolution 55, 918-929.

50. Atkins, H., Preston, J. and Cronk, Q.C.B. (2001). Cyrtandra and the biogeography of Huxley's Line: a molecular study. Biological Journal of the Linnean Society 72, 143-159

51. Richardson, J.E., Fay, M.F., Cronk, Q.C.B., Bowman, D. and Chase, M.W. (2000). A phylogenetic analysis of Rhamnaceae using rbcL and trnL-F plastid sequences. American Journal of Botany 87, 1309-1324.

52. Ngamriabsakul, C., Newman, M.F. and Cronk, Q.C.B. (2000). Phylogeny and disjunction in Roscoea (Zingiberaceae). Edinburgh Journal of Botany 57, 39-61.

53. Rangsiruji, A., Newman, M.F. and Cronk, Q.C.B. (2000). Origin and relationships of Alpinia galanga (Zingiberaceae) based on molecular data. Edinburgh Journal of Botany 57, 9-37.

54. Denduangboripant, J. and Cronk, Q.C.B. (2000). High intraindividual variation in internal transcribed spacer sequences in Aeschynanthus (Gesneriaceae): implications for phylogenetics. Proceedings of the Royal Society of London, Series B 267, 1407-1415.

55. Citerne, H.L., Möller, M. and Cronk, Q.C.B. (2000). Diversity of cycloidea-like genes in Gesneriaceae in relation to floral symmetry. Annals of Botany 86, 167-176.

56. Richardson, J.E., Fay, M.F., Cronk, Q.C.B. and Chase, M.W. (2000). A revision of the tribal classification of Rhamnaceae. Kew Bulletin 55, 311-340.

57. Harris, D.J., Poulsen, A.D., Frimodt-Møller, C., Preston, J. and Cronk, Q.C.B (2000). Rapid radiation in Aframomum (Zingiberaceae): evidence from nuclear ribosomal DNA internal transcribed spacer sequences. Edinburgh Journal of Botany 57, 377-395.

58. Rangsiruji, A., Newman, M.F. and Cronk, Q.C.B. (2000). A study of the infrageneric classification of Alpinia (Zingiberaceae) based on the ITS region of nuclear rDNA and the trnL-F spacer of chloroplast DNA. Monocots II: Proceedings of the Second International Monocots Conference. Eds K. Wilson & D. Morrison. CSIRO.

59. Möller, M., Clokie, M., Cubas, P. and Cronk, Q.C.B. (1999). Integrating molecular phylogenies and developmental genetics: a Gesneriaceae case study. In: Molecular systematics and plant evolution. Edited by P. M. Hollingsworth, R. M. Bateman and R. J. Gornall. Pp. 375-402. London: Taylor & Francis.

60. Thurston, M.I., Bonwick, G.A., Williams, P.A., Williams, J.H.H., Dewey, F.M., Amos, A. and Cronk, Q.C.B. (1999). Effect of heat and pH on the carbohydrate epitopes of gum from Acacia senegal recognised by monoclonal antibodies. Food and Agricultural Immunology 11, 145-153.

61. Harrison, C.J., Möller, M. and Cronk, Q.C.B. (1999). Evolution and development of floral diversity in Streptocarpus and Saintpaulia. Annals of Botany 84, 49-60.

62. Citerne, H. and Cronk, Q.C.B. (1999). The origin of the peloric Sinningia. The New Plantsman 6, 219-222.

63. Thurston, M.I., Bonwick, G. A., Williams, P. A., Williams, J. H. H., Cronk, Q. C. B. and Dewey, F. M. (1998). Detection of gum from Acacia seyal and species of Combretum in admixtures with A. senegal, using monoclonal antibodies. Food and Agricultural Immunology 10, 237-247.

64. Smith J. F., Kresge, M.E., Möller, M., and Cronk, Q.C.B. (1998). A cladistic analysis of ndhF sequences from representative species of Saintpaulia and Streptocarpus sections Streptocarpus and Streptocarpella (Gesneriaceae). Edinburgh Journal of Botany 55, 1-11.

65. Cronk, Q.C.B. (1998) The ochlospecies concept. Ch. 11 in: Huxley, C.R., Lock, J.M. & Cutler, D.F. (eds.) Chorology, Taxonomy and Ecology of the African and Madagascan Floras. Kew Bulletin Additional Series, HMSO. Link to pdf: the-ochlospecies-concept

66. Möller, M. and Cronk, Q.C.B. (1997). Phylogeny and disjunct distribution: evolution of Saintpaulia (Gesneriaceae). Proceedings of the Royal Society of London, Series B. 264,1827-1836.

67. Cronk, Q.C.B. (1997). Islands: stability, diversity, conservation. Biodiversity and Conservation 6, 477-493.

68. Dewey, F.M., Thurston, M.I. and Cronk, Q.C.B. (1997). Monoclonal antibodies that differentiate between gum arabic, gum seyal and combretum gum. Food and Agricultural Immunology 9, 123-134.

69. Möller, M. and Cronk, Q.C.B. (1997). Origin and relationships of Saintpaulia (Gesneriaceae) based on ribosomal DNA internal transcribed spacer (ITS) sequences. American Journal of Botany 84, 956-965.

70. Cronk, Q.C.B. and Möller, M. (1997). Genetics of floral symmetry revealed. Trends in Ecology and Evolution 12, 85-86.

71. Percy, D.M. and Cronk, Q.C.B. (1997). Conservation in relation to mating system in Nesohedyotis arborea, a rare endemic tree from St Helena. Biological Conservation 80, 135-145.

72. Grassly, N., Harris, S. and Cronk, Q.C.B. (1996). Status of British Apium repens (L.) Lagasca assessed using random amplified polymorphic DNA (RAPD). Watsonia 21, 103-111.

73. Cronk, Q.C.B. (1995). William Roxburgh's St Helena plants. Bulletin of the Natural History Museum London (Botany) 25, 95-98.

74. Cronk, Q.C.B. (1995). A new species and hybrid in the St Helena endemic genus Trochetiopsis. Edinburgh Journal of Botany 52, 205-213.

75. Fusco, G. and Cronk, Q.C.B. (1995). A new method for assessing the shape of evolutionary trees. Journal of Theoretical Biology 175, 235-243.

76. Cronk, Q.C.B., Marner, S.K. and Primavesi, A.L. (1995) Lectotypification of Rosa rothschildii Druce (Rosaceae). Watsonia 20, 409-410.

77. Cronk, Q.C.B. and Primavesi, A.L. (1995). Further Druce rose taxa. Watsonia 20, 411-412.

78. Cronk, Q.C.B. (1995) Changing worlds and changing weeds. In: Weeds in a changing world (British Crop Protection Council Symposium Proceedings No. 64) (ed. C. Stirton), pp. 3-133. BCPC, Farnham, Surrey, UK.

79. Rowe, R. and Cronk, Q.C.B. (1995). Sampling procedures for ex situ conservation and reintroduction: genetic screening to conserve Trochetiopsis species (Sterculiaceae) on St Helena. In: Akeroyd, J. & Wyse Jackson, P. (Eds). A Handbook for Botanic Gardens on the Reintroduction of Plants to the Wild. Botanic Gardens Conservation International, Kew.

80. Pennell, R.I., Cronk, Q.C.B., Forsberg, L.S., Stohr, C., Snogerup, L., Kjellbom, P. and McCabe, P. (1995). Cell-context signalling. Philosophical Transactions of the Royal Society of London, Series B. 350, 87-93.

81. Marner, S.K., Styles, C. and Cronk, Q.C.B. (1995). Bibliography of F. White, M.A. (Cantab.), Sc.D. (Cantab.). Bothalia 26, 74-76.

82. Cronk, Q.C.B. (1994). Conservation of the St Helena flora: the palaeoecological background. Boletim do Museu Municipal do Funchal (Special Issue 2), 111-124.

83. Lahav-Ginot, S. and Cronk, Q.C.B. (1993). Monoecy and dioecy in Elatostema (Urticaceae): a comparative study. Plant Systematics and Evolution 186, 135-145.

84. Cronk, Q.C.B. (1992). Relict floras of Atlantic islands: patterns assessed. Biological Journal of the Linnean Society 46, 91-103.

85. Cronk, Q.C.B. (1991). Southern Africa. In: Plant Life (Ed. D.M. Moore), pp. 194-203. Oxford University Press, New York.

86. Cronk, Q.C.B. (1990). The history of the St Helena flora: Miocene Trochetiopsis-like pollen from St Helena and the evolution of Trochetiopsis. New Phytologist 114, 159-165.

87. Cronk, Q.C.B. (1990). The name of the pea: a quantitative history of legume classification. New Phytologist 116, 163-175.

88. Cronk, Q.C.B. (1989). The past and present vegetation of St Helena. Journal of Biogeography 16, 47-64.

89. Wyse Jackson, P.S., Parnell, J.A.N., Strahm, W. and Cronk, Q.C.B. (1989). The propagation of endangered plants in Mauritius. Moorea 7, 35 - 45

90. Cronk, Q.C.B. (1989). Measurement of the historical and biological influences on classifications. Taxon 38, 357-370.

91. J.A.N. Parnell, P.S. Wyse Jackson & W. Strahm and Cronk, Q.C.B. (1989). The description, conservation and historical ecology of the vegetation of Ile aux Aigrettes, Mauritius. Journal of Tropical Ecology 5, 355-374.

92. Cronk, Q.C.B. (1988). W.J. Burchell and the botany of St Helena. Archives of Natural History 15, 45-60.

93. Cronk, Q.C.B. (1988). Some early notices of anthocyanin-rich variants of common British plants. Watsonia 17, 352-355.

94. Wyse Jackson, P.S., Parnell, J.A.N. and Cronk, Q.C.B. (1988). Notes on the regeneration of two rare Mauritian endemic trees. Tropical Ecology 29, 98-106.

95. Cronk, Q.C.B. (1988). Biodiversity. The Key Role of Plants. 13 pp. IUCN, WWF: Gland & Kew.

96. Cronk, Q.C.B. (1987). The history of the endemic flora of St Helena: a relictual series. New Phytologist 105, 509-520.

97. Cronk, Q.C.B. (1987). The plight of the St Helena olive, Nesiota elliptica. Botanic Gardens Conservation News 1, 30-32.

98. P.S. Wyse Jackson, J.A.N. Parnell & W. Strahm and Cronk, Q.C.B. (1987). Rare plant propagation in Mauritius. In: Botanic Gardens and the World Conservation strategy. (Eds. D. Bramwell, O. Hamann, V. Heywood & H. Synge), pp. 353-356. Academic Press, London.

99. Cronk, Q.C.B. (1986). The decline of the St Helena Gumwood Commidendrum robustum. Biological Conservation 35, 173-186.Click on image to download copy:

100. Cronk, Q.C.B. (1986). Botanical survey of Socotra for conservation and plant genetic resources. WWF Conservation Yearbook 1985/1986. WWF, Gland, Switzerland, pp. 516-517.

101. Parnell, J.A.N., Wyse Jackson, P.S. and Cronk, Q.C.B. (1986). A paradise about to be lost. New Scientist 1528, 44-47.

102. Cronk, Q.C.B. (1986). The decline of the St Helena Ebony Trochetiopsis melanoxylon. Biological Conservation 35, 159-172.

103. Cronk, Q.C.B. (1983). The decline of the Redwood Trochetiopsis erythroxylon on St Helena. Biological Conservation 26, 163-174.Click on image to download copy:

104. Cronk, Q.C.B. and Clarke, G.C.S. (1981). The Northwest European Pollen Flora, 28. Convolvulaceae. Review of Palaeobotany and Palynology 33, 117-135.

105. Cronk, Q.C.B. (1981). Senecio redivivus and its successful conservation in St Helena. Environmental Conservation 8, 125-6.

106. Cronk, Q.C.B. (1980). Extinction and survival in the endemic vascular flora of Ascension Island. Biological Conservation 17, 207-219.

107. Rosser, A., Ritchie, R., Proby, C., Miles, D., Gordon, J., CRONK, Q., Compton-Bishop, Q. & Astill, D. (1978). The status of the Mediterranean Monk Seal (Monachus monachus) in Tunisia. Environmental Conservation 5, 298.

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