Hill PS, Wells PH, Wells H (September 1997). "Spontaneous flower constancy and learning in honey bees as a function of colour". Animal Behaviour. 54 (3): 615–27. doi:10.1006/anbe.1996.0467. PMID9299046. S2CID24674731.
Chittka L, Gumbert A, Kunze J (1997). "Foraging dynamics of bumble bees: correlates of movement within and between plant species". Behavioral Ecology. 8 (3): 239–249. doi:10.1093/beheco/8.3.239.
Goulson D, Ollerton J, Sluman C (1997). "Foraging strategies in the small skipper butterfly, Thymelicus flavus: when to switch?". Animal Behaviour. 53 (5): 1009–1016. doi:10.1006/anbe.1996.0390. S2CID620334.
Dressler RL (March 1968). "Pollination by Euglossine Bees". Evolution; International Journal of Organic Evolution. 22 (1): 202–210. doi:10.2307/2406664. JSTOR2406664. PMID28564982.
Fidalgo, Adriana De O.; Kleinert, Astrid De M. P. (2009-12-01). "Reproductive biology of six Brazilian Myrtaceae: - is there a syndrome associated with buzz-pollination?". New Zealand Journal of Botany. 47 (4): 355–365. Bibcode:2009NZJB...47..355F. doi:10.1080/0028825x.2009.9672712. ISSN0028-825X.
Whitehead DR (March 1969). "Wind Pollination in the Angiosperms: Evolutionary and Environmental Considerations". Evolution; International Journal of Organic Evolution. 23 (1): 28–35. doi:10.2307/2406479. JSTOR2406479. PMID28562955.
Culley TM, Weller SG, Sakai AK (2002-08-01). "The evolution of wind pollination in angiosperms". Trends in Ecology & Evolution. 17 (8): 361–369. doi:10.1016/S0169-5347(02)02540-5.
Igic B, Kohn JR (May 2006). "The distribution of plant mating systems: study bias against obligately outcrossing species". Evolution; International Journal of Organic Evolution. 60 (5): 1098–103. doi:10.1554/05-383.1. PMID16817548. S2CID40964.
Goodwillie C, Kalisz S, Eckert CG (2005). "The evolutionary enigma of mixed mating systems in plants: Occurrence, theoretical explanations, and empirical evidence". Annu. Rev. Ecol. Evol. Syst. 36: 47–79. doi:10.1146/annurev.ecolsys.36.091704.175539.
Roubik DW (June 2001). "Ups and Downs in Pollinator Populations: When is there a Decline?". Conservation Ecology. 5 (1): 2. doi:10.5751/ES-00255-050102. hdl:10535/3364.
Roubik DW (June 2001). "Ups and Downs in Pollinator Populations: When is there a Decline?". Conservation Ecology. 5 (1): 2. doi:10.5751/ES-00255-050102. hdl:10535/3364.
Fidalgo, Adriana De O.; Kleinert, Astrid De M. P. (2009-12-01). "Reproductive biology of six Brazilian Myrtaceae: - is there a syndrome associated with buzz-pollination?". New Zealand Journal of Botany. 47 (4): 355–365. Bibcode:2009NZJB...47..355F. doi:10.1080/0028825x.2009.9672712. ISSN0028-825X.
Whitehead DR (March 1969). "Wind Pollination in the Angiosperms: Evolutionary and Environmental Considerations". Evolution; International Journal of Organic Evolution. 23 (1): 28–35. doi:10.2307/2406479. JSTOR2406479. PMID28562955.
Hill PS, Wells PH, Wells H (September 1997). "Spontaneous flower constancy and learning in honey bees as a function of colour". Animal Behaviour. 54 (3): 615–27. doi:10.1006/anbe.1996.0467. PMID9299046. S2CID24674731.
Whitehead DR (March 1969). "Wind Pollination in the Angiosperms: Evolutionary and Environmental Considerations". Evolution; International Journal of Organic Evolution. 23 (1): 28–35. doi:10.2307/2406479. JSTOR2406479. PMID28562955.
Igic B, Kohn JR (May 2006). "The distribution of plant mating systems: study bias against obligately outcrossing species". Evolution; International Journal of Organic Evolution. 60 (5): 1098–103. doi:10.1554/05-383.1. PMID16817548. S2CID40964.
Hill PS, Wells PH, Wells H (September 1997). "Spontaneous flower constancy and learning in honey bees as a function of colour". Animal Behaviour. 54 (3): 615–27. doi:10.1006/anbe.1996.0467. PMID9299046. S2CID24674731.
Goulson D, Ollerton J, Sluman C (1997). "Foraging strategies in the small skipper butterfly, Thymelicus flavus: when to switch?". Animal Behaviour. 53 (5): 1009–1016. doi:10.1006/anbe.1996.0390. S2CID620334.
Igic B, Kohn JR (May 2006). "The distribution of plant mating systems: study bias against obligately outcrossing species". Evolution; International Journal of Organic Evolution. 60 (5): 1098–103. doi:10.1554/05-383.1. PMID16817548. S2CID40964.
Fidalgo, Adriana De O.; Kleinert, Astrid De M. P. (2009-12-01). "Reproductive biology of six Brazilian Myrtaceae: - is there a syndrome associated with buzz-pollination?". New Zealand Journal of Botany. 47 (4): 355–365. Bibcode:2009NZJB...47..355F. doi:10.1080/0028825x.2009.9672712. ISSN0028-825X.