pronunciation: [petʁys]; Luxembourgish: Péitruss pronounced [ˈpɜɪ.tʀus] , German: Petruss) is a river flowing through Luxembourg, joining the Alzette at Luxembourg...

lower town contained two churches, two bridges of the rivers Alzette, and Petruss. Its inhabitants pursued various professions, including fishing, baking...

this lower town contained two churches and bridges over the Alzette and Petruss rivers. Its inhabitants' occupations included fishing, baking, and milling...

T44819A10950878.en. Retrieved 16 November 2021. "Gymnocarpos bracteatus (Balf.f.) Petruss. & Thulin". Plants of the World Online. The Trustees of the Royal Botanic...

T44820A10951001.en. Retrieved 16 November 2021. "Gymnocarpos kuriensis (Radcl.-Sm.) Petruss. & Thulin". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved...

Gymnocarpos bracteatus (Balf.f.) Petruss. & Thulin – Socotra (Hajhir Mts.) Gymnocarpos kuriensis (Radcl.-Sm.) Petruss. & Thulin – Socotra and Abd al Kuri...