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.
A fern is a leafy, flowerless plant that grows in areas of high moisture. Ferns are vascular plants, in that they have a complex internal vein structure that supplies nutrients to the outer regions of the plant.erns are different from other vascular plants in that most vascular plants grow directly from seeds, while a fern grows from a spore, through an intermediate stage called a gametophyte. A fern requires certain characteristics in its surroundings to grow.