Murrill was known to travel extensively to describe the mycota of Europe and the Americas. He traveled along the East Coast, Pacific Coast, Mexico and the Caribbean. Although Murrill was a very influential person at the NYBG, having worked his way up to become assistant director in 1908, his rather eccentric personality caused problems with his job.
Murrill was recognized for his extensive travels across Europe and the Americas to document the mycota. He explored the East Coast, Pacific Coast, Mexico, and the Caribbean. As a prominent figure at the NYBG, having risen through the ranks by 1908, Murrill's unconventional personality led to difficulties in his job.