Phyllanthaceae are one segregates of Euphorbiaceae sensu lato recognized at family level by the Angiosperm Phylogeny Group. Characterized morphologically of Phylantaceae is differentiated from the Euphorbiaceae. There are several genera in Euphoerbiaceae collection at Purwodadi Botanic Garden are include in Phyllantaceae. Evalution of our collection is needed to determine acurate family in Purwodadi Botanic Garden collection. This research is to know how much genera collection from Euphorbiaceae include in Phyllantaceae. The Data of Euphorbiaceae collection is getting from registration unit, and then matched with a live collection in garden. Every genera in Euphorbiaceae collection is check in Plant List (International Plant Name Index). The data was discribe with literature. There are 11 genera consist of 34 species in Purwodadi Botanic Garden collection is include in Phyllantaceae. Baccaurea dan Phyllantus is largest number of spesies in Phyllantaceae. Although the Phyllantaceae is known, but registration unit in Purwodadi Botanic Garden is including this 11 genera in Euphorbiaceae. Â Key words: Euphorbiaceae, Phyllantaceae, Purwodadi Botanic Garden