Presumably there is also tree theology (treeology)

I'm a canine oncology major I don't understand treeology or whatever someone please explain

#rosemarymezadeplas and I at my opening of #treeology at # thegreenroom in #santafe

Coming soon to #santafe #treeology #treeportraits in #oil #acrylic and #gouache. #artexhibition

Acorn walnut fir
Oak

The other ones are harder bc leaves vary a lot and my treeology sucks
(common lime?) (Alder?)