Dubban daruruwan mutane ne suka sare itatuwan oak na California da wata cuta da aka fara ba da rahoto a shekara ta 1995 kuma aka yi mata lakabi da "mutuwar itacen oak." Don samun ƙarin hangen nesa game da cutar, masana kimiyya na UC Berkeley sun haɓaka ƙa'idar wayar hannu don masu tafiya da sauran masu son yanayi don ba da rahoton bishiyar da suka samu waɗanda suka mutu ga mutuwar itacen oak kwatsam.
Don ƙarin bayani game da app, abin da yake yi da yadda ake samunsa, ziyarci OakMapper.org.