File:Helianthemum polifolium schema coupe transversale feuille RGB 1921 Allorge p798 gallica BnF.jpg
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Helianthemum_polifolium_schema_coupe_transversale_feuille_RGB_1921_Allorge_p798_gallica_BnF.jpg (744 × 383 pixels, file size: 134 KB, MIME type: image/jpeg)