Germplasms| Accession | Name | Taxonomy | Origin | Received | Improved status |
|---|---|---|---|---|---|
| PI 296060 | 43059 | Arctium lappa L. | Madrid, Comunidad de, Spain | 1964 | |
| PI 148718 | Gabo | Arctium lappa L. | Connecticut, United States | 1944 | |
| PI 4981 | Yamato | Arctium lappa L. | Kanagawa, Japan | 1900 | |
| PI 4982 | Red Stalk | Arctium lappa L. | Kanagawa, Japan | 1900 | |
| PI 4983 | Sunagawa | Arctium lappa L. | Kanagawa, Japan | 1900 | |
| PI 4759 | Arctium lappa L. | United States | 1900 | ||
| PI 2005 | Giant large-leaved | Arctium lappa L. | France | 1899 | |
| Ames 21505 | Ames 21505 | Arctium lappa L. | Japan | 1993 |