Question: What type of category does Origanum and Athyrium have in common?
Related documents: [0]  [DOC] Athyrium (lady-fern) is a genus of about 180 species of terrestrial ferns, with a cosmopolitan distribution. It is placed in the family Athyriaceae, in the order Polypodiales. [END] 
[1]  [DOC] Origanum ( )is a genus of herbaceous perennials and subshrubs in the family Lamiaceae, native to Europe, North Africa, and much of temperate Asia, where they are found in open or mountainous habitats. A few species also naturalized in scattered locations in North America and other regions. [END] 
Answer: 
genus
genus