Life … Plants Vascular Plants Ferns Polypodiales Shieldfern Family Holly Ferns Hard Shield Fern species 7,369 observations Hard Shield Fern Polystichum aculeatum Field notes Supports All 4 native animalssupported in the US Plant eaters Animals that feed on it Mallard, Common Raven, Eurasian Jackdaw, Redpoll 4 Close
