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| ACCESSION | PLANT NAME | TAXONOMY | ORIGIN | GENEBANK | IMAGE | AVAILABILITY | RECEIVED | SOURCE TYPE | SOURCE DATE | COLLECTION SITE | COORDINATES | ELEVATION | HABITAT | IMPROVEMENT LEVEL | NARRATIVE | | |
|---|
| 0 | PI 550473 | 'B73' | Zea mays L. subsp. mays | Iowa, United States | NC7 |  | | 1972 | DEVELOPED | | | | | | Breeding material | Plant vigorous. Leaves erect. Pollen production average. Seed smooth dent. Maturity is AES800. This is the accession of B73 that was used for the first complete maize genome sequence. See https://maizegdb.org/assembly details. | 1445409 | PI 550473 |
| 1 | PI 217411 | Tama Flint | Zea mays L. subsp. mays | Iowa, United States | NC7 |  | | 1954 | COLLECTED | PRE 05/04/1954 | | | | | Landrace | Essentially a Northern Flint variety from the Sac and Fox Indians of Iowa. Slightly mixed with Great Plains maize. This accession was part of the donor's collection of maize varieties demonstrating extreme variation. They were considered as endemic and were maintained as germplasm for breeding work and were part of the Anderson and Brown collection of "standard exotics". They were originally collected from farmers who maintained them as open-pollinated varieties. | 1177461 | PI 217411 |
| 2 | NSL 30060 | W23 | Zea mays L. subsp. mays | Wisconsin, United States | NC7 | | | 1964 | DEVELOPED | | | | | | Breeding material | | 1098998 | NSL 30060 |