This Elm doesn't generally follow the rules of alter building, all of the elements probably are not represented in any one place, unless one considers the alter at the molecular level. This is the only alter space in this Elm's house that usually attempts to follow some rules:
The many curved branch came from an elm, and was notable for being a bit of elm shaped like stag horns. The staff was carved from a gigantic ash juniper limb that was left in a pile beside the trail. This Elm begged for and received the Gaia statue for her birthday, and this Elm bought the Cernunnos statue the day the tarot cards confirmed he was a part of her life.
Here are some other holy areas in this Elm's house. Joss Whedon sometimes makes his presence known: