There are a number of cultivars baring the name Spring Grove that originated from Spring
Grove Arboretum ,Cincinnati, Ohio in The Unites States of America. 
 
Spring Grove Arboretum, 4521 Spring Grove Ave, Cincinnati, Ohio, in The United States of America. is a cemetery which dates from 1844, when members of the Cincinnati Horticultural Society formed a cemetery association. Spring Grove encompasses 733 acres (2.97 km2) of which 400 acres (1.6 km2) are currently landscaped and maintained and open to the public. Its grounds include 12 ponds, many fine tombstones and memorials, and various examples of Gothic Revival architecture. The cemetery is laid out in numbered sections. The numbered sections are particularly relevant to plants baring the Spring grove name, as selections bear the name of which section they were first discovered.
 
Charles hunter reports ‘I also have a selection called ‘CP14’ from The Dawes Arboretum in Newark, Ohio United States of America. It is a dwarf selection of Ginkgo biloba ‘Spring Grove’
 
This could well be a plant that circulates under the name of Ginkgo biloba ‘Spring Grove W.B’. it is described as being ‘a true dwarf, having smaller leaves and short growth than the species. It produces a compact, globose plant less than 2 m in height and spread in 10 years. Synonym: Spring grove witches’ broom’.
 
Description - Ginkgo biloba 'Spring Grove' is a female found as a witches broom at Springfield Cemetary, Ohio in the U.S.A. It is a true dwarf, having smaller leaves and short growth than the species. It produces a compact, globose plant less than 2 m in height and spread in 10 years. There is some confusion in the trade between 'Spring Grove' and 'Spring Grove Sport', the latter being similar in most respects, but slower growing reaching only 60 -8-0 cm in 10 years.