You are April day on earth. Who wrote Lin?

This sentence was written by Xu Zhimo, a famous modern poetess in China. The name of this poem is "Huanxisha, April on earth, when flowers bloom". Although the name "Lin" appears in this poem, in fact, this name is only an image used by Xu Zhimo when describing spring, which refers to cherry blossoms in full bloom in spring and has no direct relationship with Lin.