Phagnalon rupestre, rock phagnalon, is a species of shrub in the family Asteraceae. It is native to the Mediterranean basin countries of Europe, North Africa, and Western Asia, and to Iran, Iraq, the Arabian Peninsula, and the Canary Islands.

They have a self-supporting growth form, simple, broad leaves and dry fruit. Individuals can grow to 0.25 m.

Two subspecies are accepted.

• Phagnalon rupestre subsp. morisianum (Ces., Pass. & Gibelli) Arcang. – Sardinia
• Phagnalon rupestre subsp. rupestre – entire range

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