Sphaeroblasts are quite common on species of beech (Fagus), holly (Ilex), horse chestnut (Aesculus) and southern beeches (Lophozonia), and also occasionally appear on quite a wide range of other tree species, including conifers. They can be of interest to wood carvers, to create unique wooden ornaments. Their removal from the tree typically causes only a small wound to the trunk or branch, as they are often only superficially attached Ruhland W ed. (1965) Encyclopedia of Plant Physiology vol. XV: Differentiation and Development, Springer-Verlag: Berlin
