<https://wetland-plants.co.uk/shop/moisture-loving-and-bog-plants/sisyrinchium-californicum-yellow-eyed-grass/#product>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://wetland-plants.co.uk/shop/moisture-loving-and-bog-plants/sisyrinchium-californicum-yellow-eyed-grass/>