1C.L. Gross,D.A. Mackay,M.A. Whalen. Aggregated flowering phenologies among three sympatric legumes – The degree of non-randomness and the effect of overlap on fruit set[J] 2000,Plant Ecology(1):13~21
2Jeff Ollerton,Andrew Lack. Relationships between flowering phenology, plant size and reproductive success in shape Lotus corniculatus (Fabaceae)[J] 1998,Plant Ecology(1):35~47