phoronomy
/fɒrəˈnɒmi/ or /fɔːrəˈnɒmi/ (UK) /fɔːrəˈnoʊmi/ (US)
Definitions
1. noun
The study of the relationship between plants and the animals that pollinate, disperse, or otherwise interact with them.
“The ecologist was an expert in the phoronomy of orchids and bees.”