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.
The most familiar of all woodland ferns, found the world over, is Pteridium aquilinum, the common bracken brackenor brake,common name for a tall fern (Pteridium aquilinum) with large triangular fronds, widespread throughout the world, often as a weed.. any tracheophyte plant of the phylum Filicinophyta, having roots, stems, and fronds and reproducing by spores formed in structures (sori) on the fronds. 2. any of certain similar but unrelated plants, such as the sweet fern.