The sections of the light spectrum which the âredâ and âgreenâ cones perceive overlap and this is why red and green colour vision deficiencies are often known as red/green colour blindness and why people with red and green deficiencies see the world in a similar way.
Bird's Nest Fern Another of our favorites, bird's nest fern is a slow-growing plant with bright green fronds that radiate from the center of the plant, creating a vase or bird's nest shape. It's versatile and easy to grow. Silver Brake Fern Create a distinctive look in your home with this fern.
Several non-fern plants (and even animals) are called ferns and are sometimes confused with true ferns. These include:  1 Asparagus fernâThis may apply to one of several species of the monocot genus Asparagus, which are flowering plants.  2 SweetfernâA flowering shrub of the genus Comptonia.everal non-fern plants (and even animals) are called ferns and are sometimes confused with true ferns. These include:  1 Asparagus fernâThis may apply to one of several species of the monocot genus Asparagus, which are flowering plants.  2 SweetfernâA flowering shrub of the genus Comptonia.