Spatiotemporal distribution of floral resources in a Brazilian city: implications for the maintenance of pollinators, especially bees - Aleixo, Kátia Paula; Faria, Letícia Biral de; Groppo Júnior, Milton; Castro, Maurício Meirelles do Nascimento; Silva, Cláudia Inês da (Urban Forestry and Urban Greening, 2014)