| Medium Type
Characteristics | ISP2 | ISP4 | Gauss No.1 | Gauss No.2 |
| Aerial mycelium | Dense and exuberant | Less | Less | More |
| Substrate hyphae | Yellowish brown | White | White | Light yellow |
| Spores | White | White | White | White |
| Colony size | Larger | Smaller | Smaller | Larger |