Pterocephalus pinardii Boiss. | | a | | Pterocephalus pinardiiBoiss. | |
Pterocephalus plumosus (L.) Coult. | | a | | Pterocephalus plumosus(L.) Coult. | |
Pterocephalus canus Coult. | | a | | Pterocephalus canusCoult. | |
Pterocephalus papposus (L.) Coult. | Pterocephalus plumosus (L.) Coult. | | | Pterocephalus papposus(L.) Coult. | Pterocephalus plumosus(L.) Coult. |
Pterocephalus hookeri (C. B. Clarke) E. Pritz. | Pterocephalodes hookeri (C. B. Clarke) V. Mayer & Ehrend. | | | Pterocephalus hookeri(C. B. Clarke) E. Pritz. | Pterocephalodes hookeri(C. B. Clarke) V. Mayer & Ehrend. |