"I assumed the food in the seed would be no good after all that time. How could it be?" said Solowey. She was soon proven wrong. After eight weeks, a small green shoot emerged from one seed, producing a sapling no one had seen in centuries and becoming the oldest known tree seed to germinate. The plant was nicknamed "Methuselah," after the longest-lived person in the Bible.

I believe the oldest tree in the world is also called Methuselah too: https://en.wikipedia.org/wiki/Methuselah_(tree)

Methuselah is a 4,853-year-old[1] Great Basin bristlecone pine (Pinus longaeva) tree growing high in the White Mountains of Inyo County in eastern California.[2][3] It is recognized as the non-clonal tree with the greatest confirmed age in the world.[4] The tree's name refers to the biblical patriarch Methuselah, who ostensibly lived to more than 900 years of age, thus synonymous with longevity.