fern phenomenon

例句：

1. 1. The discovery of new species of ferns has sparked a fern phenomenon in the field of ecology.
   新种类蕨类的发现在生态学领域引发了一场蕨类植物现象。
2. 2.The fern phenomenon is often associated with the growth of mosses and lichens.
   蕨类植物现象通常与苔藓和地衣的生长有关。
3. 3. In recent years, scientists have observed that certain species of ferns are undergoing rapid evolution due to the fern phenomenon.
   近年来，科学家观察到某些蕨类植物由于蕨类植物现象而经历了快速的进化。