Campyloneurum serpentinum (Christ) Ching Campyloneurum serpentinum (Christ) Ching, Sunyatsenia 5: 263. 1940 sec. Mickel & Smith 2004≡Polypodium serpentinum Christ, Bull. Herb. Boissier ser. 2, 6: 51. 1906 syn. sec. Mickel & Smith 2004