Ledig, F Thomas RECENT EVOLUTION AND DIVERGENCE AMONG POPULATIONS OF A RARE MEXICAN ENDEMIC, CHIHUAHUA SPRUCE, FOLLOWING HOLOCENE CLIMATIC WARMING. [electronic resource] - Evolution; international journal of organic evolution Dec 1997 - 1815-1827 p. digital Publication Type: Journal Article ISSN: 1558-5646 Standard No.: 10.1111/j.1558-5646.1997.tb05105.x doi