Possible Clues:

• Shrubby thicket
• Bloke on Scottish isle briefly left thicket of brushwood
• Rough vegetation that was high in TV series?
• A bishop trapped by two men in tangled vegetation
• Tangled thickets of shrubs in the southwestern USA
• Dense brushwood of the southwestern US
• Larch growing wild round a standard thicket
• Thicket of dense tangled brushwood
• Californian shrubland
• Thicket