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.
Fern Fiddleheads: The Succulent Stalks of Spring. Almost everyone has heard of fiddlehead ferns, a gourmet wild vegetable found across much of North America in the springtime. Few wild edibles are so well known, so convenient and tasty, or so widely available.nterrupted fern Osmundea claytonia is abundant in wooded areas across much of the range of ostrich fern and likes partial shade on rich, moist to mucky soil. In the fiddlehead stage, these two large rosette ferns are often confused with ostrich fern.