Aizen MA, Searcy KB, Mulcahy DL. 1990. Among- and within-flower comparisons of pollen tube growth following self- and cross-pollinations in Dianthus chinensis (Caryophyllaceae). American Journal of Botany 77: 671-676.
Bertin RI, Sullivan M. 1988. Pollen interference and cryptic self-fertility in Campsis radicans. American Journal of Botany 75: 1140-1147.
Broyles SB, Wyatt R. 1993. The consequence of self-pollination in Asclepias exaltata, a self-incompatible milkweed. American Journal of Botany 80: 41-44.
Charlesworth D, Charlesworth B. 1987. Inbreeding depression and its evolutionary consequences. Annual Review of Ecology and Systematics 18: 237-268.
Cope FW. 1962. The mechanism of pollen incompatibility in Theobroma cacao L. Heredity 17: 157-182.
de Nettancourt D. 1977. Incompatibility in angiosperms. Berlin: Springer-Verlag.
Dominée B. 1968. Étude de quelques éléments de la variabilité intraspécifique de la Callune. PhD Thesis. Centre National de la Recherche Scientifique, Montpellier, France.
Faegri K, van der Pijl L. 1980. The principles of pollination ecology - 3rd edn. Oxford: Pergamon Press.
Gibbs PE, Bianchi M. 1993. Postpollination events in species of Chorisia (Bombaceae) and Tabebuia (Bignoniaceae) with late acting self-incompatibility. Botanica Acta 106: 64-71.
Husband BC, Schemske DW. 1995. Magnitude and timing of inbreeding depression in a diploid population of Epilobium angustifolium (Onagraceae). Heredity 75: 206-215.
Husband BC, Schemske DW. 1996. Evolution of the magnitude and timing of inbreeding depression in plants. Evolution 50: 54-70.
Kenrick J, Kaul V, Williams EG. 1986. Self-incompatibility in Acacia retinodes: Site of pollen-tube arrest is the nucellus. Planta 169: 245-250.
Klekowski EJ Jr. 1988. Mutation, developmental selection and plant evolution. New York, NY: Columbia University Press.
Klekowski EJ Jr, Godfrey P. 1989. Ageing and mutation in plants. Nature 340: 389-391.
Krebs SL, Hancock JF. 1988. The consequences of inbreeding on fertility in Vaccinium corymbosum L. Journal of American Society of Horticultural Sciences 113: 914-918.
Krebs SL, Hancock JF. 1991. Early acting inbreeding depression and reproductive success in the highbush blueberry, Vaccinium corymbosum L. Theoretical and Applied Genetics 79: 825-832.
Lloyd DG, Webbs CJ. 1986. The avoidance of interference between the presentation of pollen and stigmas in angiosperms. I. Dichogamy. New Zealand Journal of Botany 24: 135-162.
Mahy G. 1998. Structuration génétique des populations et système de reproduction chez Calluna vulgaris (L.) Hull. PhD Thesis, Université catholique de Louvain, Louvain-la-neuve.
Mahy G, Jacquemart AL. 1998. Mating system of Calluna vulgaris L. (Hull): self-sterility and outcrossing rate estimations. Canadian Journal of Botany 76: 37-42.
Mahy G, De Sloover JR, Jacquemart AL. 1999. The generalist pollination system and reproductive success of Calluna vulgaris in Upper Ardenne (Belgium). Canadian Journal of Botany 76 (in press).
Mahy G, Vekemans X, Jacquemart AL, De Sloover JR. 1997. Allozyme diversity and genetic structure in South-Western populations of Heather, Calluna vulgaris (L.) Hull. New Phytologist 137: 325-334.
Meinke DW. 1991. Perspectives on genetic analysis of plant embryo-genesis. Plant Cell 3: 857-866.
Montalvo AM. 1992. Relative success of self and outcross pollen comparing mixed- and single-donor pollinations in Aquilegia caerulea. Evolution 46: 1181-1198.
Ockendon DJ, Currah L. 1977. Self-pollen reduces the number of cross-pollen tubes in the styles of Brassica oleracea L. New Phytologist 78: 675-680.
Proctor M, Yeo P, Lack A. 1996. The natural history of pollination. London: Harper Collins Publisher.
SAS Institute Inc. 1989. SAS user's guide. Cary, NC: SAS Institute.
Schemske DW. 1983. Breeding system and habitat effects on fitness components in three neotropical Costus species (Zingiberaceae). Evolution 37: 523-539.
Shore JS, Barrett SCH. 1983. The effect of pollination intensity and incompatible pollen on seed set in Turnera ulmifolia (Turneraceae). Canadian Journal of Botany 62: 1298-1303.
Seavey SR, Bawa KS. 1986. Late-acting self-incompatibility in Angiosperms. Botanical Review 52: 195-219.
Seavey SR, Carter SK. 1994. Self-sterility in Epilobium obcordatum (Onagraceae). American Journal of Botany 81: 331-338.
Stevens JP, Bourgourd SM. 1988. Inbreeding depression and the outcrossing rate in natural populations of Allium schoenoprasum L. (wild chives). Heredity 60: 257-261.
Waser NM, Price MV. 1991. Reproductive costs of self-pollination in Ipomopsis aggregata (Polemoniaceae): are ovules usurped? American Journal of Botany 78: 1036-1043.
Webbs CJ, Lloyd DG. 1986. The avoidance of interference between the presentation of pollen and stigmas in Angiosperms. II. Herkogamy. New Zealand Journal of Botany 24: 163-178.
