After being attacked by a spriggan I got the bug where the effect is stuck to the player. No problem I thought, I'll just use one of the codes listed here as I've done in the past with 'draugr eyes' http://forums.uesp.net/viewtopic.php?f=40&t=34889

Spriggan : 9aa38
Spriggan Matron : 1090f7
Spriggan Earth Mother : 3013b75

However, the Earth Mother one doesn't work; I think the code is wrong as the console says player.addspell 3013b75 is an invalid command. And this was the critter that caused the bug. Does anyone know the correct spell code?
The reason I didn't realise it was a bug sooner was because I thought it was intentionally added by a Dragonborn quest involving collecting special taproot, so I'll lose hours of progress if I have to revert to an old save.

EDIT:
Ha nevermind I fixed it. 9aa38. I don't know why it didn't work the first time : /