Photo: Matricaria matricarioides 05.
Flowering plant. Annala, Helsinki, Finland. Wild. 2004-08-18.
Matricaria matricarioides Porter ex Britt.
Engl.: disc mayweed, pineapple weed, pineapple mayweed.
Deu.: Strahlenlose Kamille.
Suom.: pihasaunio.
Sven.: gatkamomill, gatkamill.
Bot. syn.: Artemisia matricarioides auct. non Less., Chamomilla suaveolens (Pursh) Rydb., Chrysanthemum suaveolens (L.) Cav., Lepidanthus suaveolens (Pursh) Nutt., Lepidotheca suaveolens (Pursh) Nutt., Matricaria discoidea DC., Matricaria suaveolens (Pursh) Buch., Santolina suaveolens Pursh, Tanacetum suaveolens (Pursh) Hook