title: Individual pollen limitation, phylogeny and selection.
authors.affiliation: Department of Biology, Dalhousie University, Halifax, NS, B3H 4R2, Canada.
authors.forename: Mark O
authors.initials: MO
authors.lastname: Johnston
authors.affiliation: Department of Biology, Queen's University, Kingston, ON, K7L 3N6, Canada.
authors.forename: Magdalena P
authors.initials: MP
authors.lastname: Bartkowska
mesh_terms: D010802:Phylogeny; D011058:Pollen; D054817:Pollination
keywords: 
  Lobelia
  ; competition; orchid; pollen limitation; pollinator; pollinator-mediated selection; selection