I have two data frames:
df1
Species ID
Zanthoxylum bungeanum CNRhis0124310
Zeuxine strateumatica CNRhis0124169
Ziziphus jujuba CNRhis0123820
df2
Species Source
Zizania latifolia Huada
Ziziphus jujuba Huada
Which function can I use to make it look like this
Species ID Source
Zanthoxylum bungeanum CNRhis0124310 NA
Zeuxine strateumatica CNRhis0124169 NA
Zizania latifolia NA Huada
Ziziphus jujuba CNRhis0123820 Huada
So that I have all three columns, but the one with same species name get merged
Thanks!