The primary cause of respiratory alkalosis is hyperventilation. This rapid, deep breathing can be caused by conditions related to the lungs like pneumonia, lung disease, or asthma. More commonly, hyperventilation is associated with anxiety, fever, drug overdose, carbon monoxide poisoning, or serious infections.
By Rhonda Stewart. Lady Fern is a native perennial upright fern that can reach 2-5 feet in height. The leaves are a bright green, with a fine-textured lacy appearance, and single fronds can measure up to 1â wide and 3â in length. The frond stalks are green to purple or red in color.
Ostrich Fern and Northwestern Lady Fern fiddleheads for eating. Keywords. Ostrich Fern, Northwestern Lady Fern, Matteuccia struthiopteris, Athyrium filix-femina, Alaska fiddlehead ferns, Alaska Plant Materials Center, Alaska Department of Natural Resources, ferns poisonous, ferns to avoid.escriptions: (1) Ostrich Fern: Growing in a circular clump, the large green erect sterile fronds can reach 5+ feet in length before dying back in the autumn. Shaped like an ostrichâs plumes, they are widest above the middle and taper abruptly to the tip, while tapering gradually toward the base.