Auros thistle (Carduus aurosicus)
Same genus
- Welted thistle (Carduus crispus)
- Italian plumeless thistle (Carduus pycnocephalus)
- Slender thistle (Carduus tenuiflorus)
- Alpine thistle (Carduus defloratus)
- Masked thistle (Carduus personata)
- Needle-like thistle (Carduus acicularis)
- Head-flowered thistle (Carduus cephalanthus)
- Vivarais thistle (Carduus vivariensis)