Ljubljana Botanical Gardens established by Franc Hladnik as a second home of a great many plants in Slovenia. Within 2 years since 1810, 766 different species had been planted by Franc Hladnik. On March 30, 2012, Slovenia Post issued the stamp set features the plants of this garden, which connected with Hladnik. The issue comprises of three postage stamps and one souvenir sheet.
The stamp of 0.40 EUR, presented Fleischmann’s Parsnip (Pastinaca sativa var. fleischmanni). This plant is a variety of the common parsnip. Felischmann discovered this species at Ljubljana Castle between 1819 and 1840. Then transplanted by him into garden, results the plants remains to the presents day.