Currently there are 3 native Macro Prime lenses for Canon R and 2 of these lenses are autofocus (AF) type.
Canon R doesn't have a sensor based image stabilization system but 2 of these Macro Prime lenses features optical image stabilization.
Since Canon R has environmental sealings (Weather Sealing), you may like to couple your camera with one of these 1 Macro Prime lenses with Weather Sealings.