Fox-tail blackroot (Pterocaulon alopecuroidies)

Same genus

• Dense-spike blackroot (Pterocaulon pycnostachyum)
• Wand blackroot (Pterocaulon virgatum)
• Wand blackroot (Pterocaulon alopecuroides)
• Wand blackroot (Pterocaulon rugosum)

The whole genus Blackroot (Pterocaulon)