tokens: Weed species found in the reserve include : Erharta ercta ( panic veldt grass ) ; Paspalum grass , Ochna , Pittosporum undulatum ( technically a native which is out of control due to changed conditions ) ; Lantana camara ; Blechnum nudum ( Fishbone fern ) ; Protoasparagus ( Asparagus fern `` sp `` ) and Paddys curse .