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.
Dryopteris is a fern genus of 225 species from around the world that give us the majority of our great garden ferns.We strongly recommend planting dryopteris (male ferns) near athyriums (lady ferns)...even pteridophytes need a conjugal visit every now and then!ryopteris is a fern genus of 225 species from around the world that give us the majority of our great garden ferns.