"Spectral Hoe" is kind of what I'm leaning towards at the minute but I'd accept suggestions.

I'm now indecisive about how to implement this.

what about spectral kindling?
divinatory kindling?
kindling of augury?

sticks and a moss to craft (smoke lets you see the range)

edit: better yet! reekaning kindling/bundle: craft wildwoodleaves and terra moss .
allthough with reekaning it probably implies more of a purifying use rather than solely informatory/divinatory

Sickle of Seeing? It fits in with the nature aspect, it's... kinda fits in with some types of neo-Druidism, and it's from the Key of Solomon!

Dowsing wand?

Ooh, dowsing rod would work even more perfect!