Kalmar "beech fern" tana nufin wani nau'in fern na jinsin Phegopteris, wanda aka fi samuwa a cikin dazuzzuka da dazuzzuka. Sunan "Beech fern" ya fito ne daga gaskiyar cewa sau da yawa ana samun girma a kusa da bishiyoyin beech. Kalmar "fern" kanta tana nufin rukunin tsire-tsire waɗanda ke haifuwa ta hanyar spores kuma yawanci suna da gashin fuka-fuki ko ganyaye.
