https://observation.org/waarneming/view/169290014 Helichrysum bracteatum (Venten.) Willd.
Helichrysum bracteatum (Venten.) Willd. does not occur in Portugal:
https://www.gbif.org/species/7728396
https://flora-on.pt/#/1Helichrysum+italicum
https://jb.utad.pt/genero/Helichrysum