Lake Nemrut caldera are the trees dwarf juniper ("Juniperus communis"), Norway maple ("Acer platanoides"), European mountain ash ("Sorbus aucuparia"), common buckthorn ("Rhamnus cathartica"), sessile oak ("Quercus petraea"), pedunculate oak ("Quercus robur"), white willow ("Salix alba"), and the shrubs coinwort cotoneaster ("Cotoneaster nummularius"), cherry plum ("Prunus divaricata"), grey willow ("Salix cinerea"), Greek juniper ("Juniperus excelsa"), breaking buckthorn ("Frangula alnus"), alder buckthorn ("Frangula alnus") and mahaleb cherry ("Prunus mahaleb"). Steppe-like vegetation is spread over wide areas in the caldera. Those are mainly species of milkvetch ("Astragalus"). Other subshrubs and herbaceous plants are prickly thrift ("Acantholimon"), sainfoin ("Onobrychis"), sheep's sorrel ("Rumex acetosella"), "Thymus", "Alyssum", sheep's
Sorbus aucuparia but wide and the plant often grows multiple trunks. A trunk is slender and cylindrical and reaches up to 40 cm in diameter, and the branches stick out and are slanted upwards. The bark of a young "S. aucuparia" is yellowish gray and gleaming and becomes gray-black with lengthwise cracks in advanced age; it descales in small flakes. Lenticels in the bark are elongated and colored a bright ocher. The plant does not often grow older than 80 years and is one of the shortest-lived trees in temperate climate. Wood of "S. aucuparia" has a wide reddish white sapwood and