Tag 'ref = 028'

• 16: ref
• 11: source
• 10: species:de
• 10: genus:de
• 10: source:date
• 10: start_date
• 10: natural
• 10: genus
• 10: species
• 10: circumference
• 9: height
• 7: operator
• 5: diameter_crown
• 4: leaf_type
• 4: level
• 4: indoor
• 3: check_date:ref
• 2: name
• 1: door
• 1: amenity
• 1: leaf_cycle
• 1: railway:turnout_side
• 1: railway
• 1: door:height
• 1: obstacle:parking