Visible on hovering, even when disabled or abandoned.
Farming Valley modpack 0.7.6.
Bailies Dailies 6 for 1.10.2
https://drive.google.com/uc?export=view&id=0B23nTMZmrHpVSjV2MTlJX0JOTTA

Duplicate of #37. Always good to have more info though. Thanks for reporting. :)