Red fungi are a diverse group of organisms that belong to the kingdom Fungi. They are characterized by their vibrant red coloration, which can be due to pigments like carotenoids and anthocyanins. These fungi can be found in various habitats, including forests, grasslands, and even on decaying wood. Some red fungi are edible, while others can be toxic. Many red fungi play essential roles in ecosystems as decomposers, breaking down organic matter and recycling nutrients. They can also form symbiotic relationships with plants, aiding in nutrient absorption. Notable examples include species from the genera Agaricus and Russula.