1. (noun) North American evergreen fern having pinnate leaves and dense clusters of lance-shaped fronds

• canker brake
• dagger fern
• evergreen wood fern
• polystichum acrostichoides

1. (noun) North American evergreen fern having pinnate leaves and dense clusters of lance-shaped fronds

• fern

1. (noun) North American evergreen fern having pinnate leaves and dense clusters of lance-shaped fronds

• genus polystichum
• polystichum