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.
Golden Male Fernâ Semi-evergreen hardy fern, producing a âshuttlecockâ of dark green lance shaped fronds, Height 60cm best grown in moist humus rich soil in partial shade. DRYOPTERIS Atrata â Shaggy Shield Fern. The clump-forming Shaggy shield fern has large, dark green fronds that unfurl to resemble elephantsâ trunks.ryopteris can be deciduous, semi-evergreen or evergreen ferns, with stout, erect or decumbent rhizomes and shuttlecock-like rosettes of lance-shaped to ovate, pinnately divided fronds. Semi-evergreen fern to 75cm, forming a compact clump of broadly ovate, bipinnatifid fronds, often coppery-pink when young.