christmas fern: North American evergreen fern having pinnate leaves and dense clusters of lance-shaped fronds
fern: any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
seminal vesicle: either of a pair of glands located on either side of the male urinary bladder that open into the vas deferens and that secrete many components of semen during ejaculation