 In 1955, Drechsler isolated it from decaying plants material in North America.In 1971, it was first isolated by Nickerson and Hutchison from aquatic animals, suggesting that "B. ranarum" can survive in a wild range of ecological situations.At room temperature (25–30 °C), colonies of "B. ranarum" show very rapid growth and are able to reach a diameter of 75–80 mm in a week on suitable growth media.