Ambrosia
Distribution:
• Quaternary of United States (8: Michigan, North Carolina, Virginia collections)
• Miocene of United States (4: Nebraska, Virginia)
Total: 12 collections each including a single occurrence
Distribution:
• Quaternary of United States (8: Michigan, North Carolina, Virginia collections)
• Miocene of United States (4: Nebraska, Virginia)
Total: 12 collections each including a single occurrence