No. Those are good questions, expecially since many coniferous trees are called cypress when they are more correctly junipers.
I am in California, so my native cypress is Cupressus macrocarpa, the Monterey cypress. It is the one that I tend to have the most experience with since it grows on the coast. I did not gather the cypress resin I have, it came from someone who lives in the mountains near San Diego and I believe it is Cupressus arizonica, a related species.
I was only making the cemetery comment as a general one, since a number of old cemeteries used to traditionally plant cypress.
The mandrake comes from Alchemy Works and as i recall it is the European variety. The man who owns the business grows a lot of his own herbs from seed so he has some more unusual materials. I would have to check on the wesite to make sure.