Dilijan National Park among four juniper species occurring in the national park. There are well conserved juniper stands on the rocky slopes of Mount Abeghakhar in the basin of the River Aghstev. The forests in the national park are rich in fruit trees and bushes such as oriental apple – "Malus orientalis", walnut - "Juglans regia", cornel - "Cornus mas", plum - "Prunus" spp., blackthorn - "Prunus spinosa", pear - "Pyrus communis" subsp. "caucasica", gooseberry - "Grossularia reclinata" ("Ribes reclinatum"), medlar - "Mespilus germanica", common hazelnut - "Corylus avellana" (see also Hazelnut Reservation), various species of Blackcurrant - "Ribes" spp., and hawthorn -
Prunus alleghaniensis bark is fissured in older specimens. The flowers are plentiful and white, eventually turning pink. The dark reddish purple fruit is half an inch (13 mm) wide, with a whitish bloom. "Prunus alleghaniensis" is not common in moist woodlands. It is typically found in elevations between . Prunus alleghaniensis Prunus alleghaniensis, the Allegheny plum, is a species of New World plum, native to the Appalachian Mountains from New York to Kentucky and North Carolina, plus the Lower Peninsula of Michigan. There are old reports of it growing also in New Jersey and Connecticut, but it now appears to have been