Origin
The Aspicilia elevata (Lynge) J. W. Thomson, commonly known as the raised bone lichen, is a species of crustose lichen that belongs to the family Megasporaceae. It is found in North America, Asia, and Europe, growing on calcareous rocks and soils.
Common Names
As mentioned earlier, this lichen is commonly known as the raised bone lichen. However, it is also sometimes referred to as Aspicilia cf. elevata, an unofficial and outdated term.
Uses
Aspicilia elevata has several uses, most notably in medicine, where it is used as a remedy for various ailments. It contains meleagrin, a chemical compound that has been found to have antifungal and antibacterial properties. The lichen is also said to have anti-inflammatory properties and can be used to treat different skin conditions.
General Appearance
The Aspicilia elevata has a distinct appearance, characterized by its white to grayish-white thallus (the body of the lichen) that has raised borders and is divided into small, angular lobes. It can grow up to 10 cm in diameter and has apothecia (the reproductive structures) that are initially convex, becoming somewhat flattened with age. It prefers calcareous rocks and is commonly found in arid and semi-arid regions.
Light Requirements
Aspicilia elevata requires full sun exposure to grow properly. It is commonly found growing on exposed rocky surfaces and requires sunlight for photosynthesis.
Temperature Requirements
This species is known to grow in cold regions, especially in arctic and alpine areas. The optimum range of temperature for Aspicilia elevata growth is between 10°C to 20°C. However, it can withstand cold temperatures below freezing point, which is why it is usually found in rocky terrain in cold regions.
Soil Requirements
Aspicilia elevata grows on rocky surfaces and is mainly found on igneous rocks like granite and volcanic rocks. It can also grow on limestone and sandstone. It is tolerant to low nutrient levels and can thrive in barren or rocky soils that are well-draining and not waterlogged. The species requires a dry or moderately moist substrate and can withstand drought or water scarcity for an extended period of time.
Cultivation of Aspicilia elevata (Lynge) J. W. Thomson
Aspicilia elevata (Lynge) J. W. Thomson is a lichen species that can grow up to 4 cm in diameter and is commonly found in subalpine and alpine regions. If you plan to cultivate this plant, here are some tips to consider:
Soil and Water Needs
Aspicilia elevata prefers moist, well-draining, and slightly acidic soil. When planting, make sure to mix the soil with sand or gravel to increase drainage. Water the lichen occasionally, but avoid overwatering since it can lead to the growth of algae and fungi.
Fertilization
Aspicilia elevata doesn't require fertilization. In fact, using fertilizers can be harmful to this plant since it is a lichen, which is a symbiotic association between a fungus and an alga.
Pruning
Aspicilia elevata doesn't require pruning as it naturally grows in a circular or irregular shape. However, you may need to remove any debris or dead leaves that accumulate on the lichen from time to time to avoid fungal infections.
Propagation of Aspicilia elevata (Lynge) J. W. Thomson
Aspicilia elevata (Lynge) J. W. Thomson is typically propagated through vegetative means. One common method is by dividing the plant. This involves carefully separating and replanting portions of the plant to encourage new growth.
Another propagation method for Aspicilia elevata is through using cuttings. This involves cutting a portion of the stem or leaves and planting it in soil or another growing medium. It is important to ensure that the cutting has a somewhat established root system for the most success.
Propagation through seeds is possible but may prove more difficult, as this plant requires specific growing conditions to germinate. It is important to research the specific requirements for growing Aspicilia elevata from seeds before attempting this method.
Regardless of the chosen method, it is important to monitor the plant growth carefully and provide it with the proper nutrients and growing conditions to ensure its success.
Disease and Pest Management for Aspicilia elevata
Aspicilia elevata is generally resistant to diseases and pests. However, there are a few common issues that can affect the plant. Here are some ways to manage them:
Diseases
One of the common diseases that can affect Aspicilia elevata is root rot. This fungal disease can be caused by overwatering, poor drainage, and crowded growing conditions. The first signs of root rot include a yellowing of the leaves, wilting, and a stunted growth. To manage this disease, you should remove the affected plant and soil, let the soil dry out, and replant the plant in fresh soil with proper drainage. Ensure that you do not overwater the plant and avoid overcrowding the growing area.
Another disease that can affect Aspicilia elevata is leaf spot. This fungal disease causes brown spots on the leaves and can eventually lead to leaf drop. Leaf spot can be caused by environmental stress, such as high humidity, poor ventilation, or overwatering. To manage leaf spot, you should prune the affected leaves and avoid watering the plant from above. Ensure that the growing area is well-ventilated and the plant is not overcrowded, and maintain proper plant hygiene by cleaning any fallen leaves.
Pests
Aspicilia elevata is generally not prone to pest attacks. However, aphids and mealybugs can sometimes infest the plant. These insects feed on the sap of the plant and can cause stunted growth, wilted leaves, and yellowing. To manage these pests, you can use insecticidal soap or oil, which can be sprayed on the plant to suffocate the insects. You can also use neem oil, which acts as a repellant to insects. Ensure that you follow the instructions on the packaging, and always test the treatment on a small area of the plant before using it widely.
Another pest that can attack Aspicilia elevata is spider mites. These tiny insects feed on the sap of the plant and can cause yellowing of the leaves, webbing, and eventual leaf drop. To manage spider mites, you can use insecticidal soap or oil, which can be sprayed on the plant. You can also use a strong stream of water to wash away the insects. Ensure that you maintain proper plant hygiene by cleaning any fallen leaves and avoiding overcrowding the growing area, which can lead to high humidity and spider mite infestations.
