The only wood named cedar that you ever want to put in your humi is Spanish Cedar although it's neither Spanish nor truly Cedar. That's just what it's called. I believe most of it is harvested in Honduras now.
Never put Aromatic, Western Red or any other type of cedar in a humidor or you risk the cigars absorbing the aroma. 'Course, moths would never bother your cigars but I don't think you'd want to smoke them