
Certified GKH Gardening Expert
It appears to be Myxarium nucleatum, which is a species of slime mold. It is commonly found in forested areas and feeds on decaying organic matter. Myxarium nucleatum has a gelatinous appearance and can vary in color, ranging from white to yellow or orange. It typically forms small, cushion-like structures called sporocarps, which contain spores that are released for reproduction. This slime mold plays a role in the decomposition of dead plant material and contributes to nutrient cycling in forest ecosystems. There is no need to treat this, as it is beneficial to your trees. Here is an article that will help you to understand more about jelly fungi:
https://www.gardeningknowhow.com/ornamental/fungus-lichen/jelly-fungi-on-trees.htm