1.
Science
; 158(3797): 113-4, 1967 Oct 06.
Artigo
em Inglês
| MEDLINE
| ID: mdl-17798645
RESUMO
Seeds of the arctic tundra lupine (Lupinus arcticus) at least 10,000 years old were found in lemming burrows deeply buried in permanently frozen silt of Pleistocene age in unglaciated central Yukon. They readily germinated in the laboratory and have since grown into normal, healthy plants.