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FLORA OF PLUM ISLAND 



EQUISETACEAE (Horsetail Family) 

 EQUISETUM L. 



E. arvense L. Horsetail 



Occasional; along side of road at southern end of 

 Refuge, on Bar Head and Grape Island. MJM 373 , 531 , 

 1119 . 



LYCOPODIACEAE (Clubmoss Family) 



LYCOPODIUM L. 



L. inundatum L. Bog Clubmoss 



Rare; Cranberry swale in dunes adjacent to Camp Sea 

 Haven. MJM 429 , 859 , 904 . 



OSMUNDACEAE (Flowering Fern Family) 



OSMUNDA L. 



0. cinnamomea L. Cinnamon Fern 



Occasional; wet ditch along road at southern end of 

 Refuge and in Hellcat Swamp. MJM 323 , 636 , 1028 . 



0. claytoniana L. Interrupted Fern 



Rare; wet swale in dunes south of parking lot 5 and 

 north of beach access road. MJM 1086 . 



0. regalis L. Royal Fern 



var. spectabilis (Willd.) Gray 



Occasional; wet areas along road at extreme southern end 

 of Refuge and in wet swales between the dunes. MJM 322 , 

 387, 592. 



