Red / Crimson
A variant of Discosoma (Red Mushroom) (Discosoma sp.)

Photo: User:Haplochromis · Public domain
Deep red to maroon smooth disc — the original and most common 'red mushroom' color form.
A variant of Discosoma (Red Mushroom) (Discosoma sp.)

Photo: User:Haplochromis · Public domain
Deep red to maroon smooth disc — the original and most common 'red mushroom' color form.