Article is a bit short. Here's a few more to flesh out the topic, tho honestly only by a smidge:

https://naturalhistory.si.edu/research/botany/news/plant-pre...

https://www.earth.com/news/native-fungi-native-trees-plants-...

https://matjournals.net/pharmacy/index.php/IJPPR/article/vie...

Maybe it is best to think of many plants as photochemical food factory extensions for mycorrhizal fungi. Some plants can do without but many will suffer without a specific mycorrhizae.