 As well as collecting specimens, Collom made careful observations and detailed descriptions of the natural environments, bloom times, growing conditions and uses of native Arizona plants.She was one of the acknowledged collaborators with botanists Kearney and Peebles when they wrote the book "Flowering Plants and Ferns of Arizona".In the "Collaborators" section Kearney and Peebles wrote of Collom that "the writers are indebted for the privilege of using her manuscript notes on the habitat, time of flowering and economic use of Arizona plants".