An Old World tropical fern(Asplenium nidus), having undivided leaves arranged in a clump resembling a bird`s nest and popular as a houseplant.

• 鸟巢蕨：一种东半球热带蕨类植物（巢蕨铁角蕨属），有排列成簇的未分裂树叶，形如鸟巢，通常做为室内植物