A true masterpiece of genetic refinement. The Mexican Dutch King is a hybrid powerhouse, famously crossing a resilient Mexican landrace with an elite Dutch-developed isolate.

​Morphology: Known for producing thick, sturdy white stems and beautiful, broad caramel-colored caps.

​Research Value: This isolate is a favorite for documenting high-velocity colonization. On agar, it produces aggressive, ropey rhizomorphic growth that expands with incredible speed and uniform density.

​Stability: MDK is celebrated for its genetic “sturdiness,” making it a reliable and consistent subject for both beginning and advanced microscopic study.

Under the lens, it displays dense cellular wall structures and prolific spore production.

Sold strictly for microscopy and legal research purposes only.