Endemic to Taiwan where historically widespread logging has seriously depleted the population Read full species entry >
A fast growing tree that is disjunctly distributed in Taiwan and along part of the border between Lao PDR and Việt Nam. In the recent past it has been heavily exploited throughout most parts of its range: logging continues in Lao PDR. Read full species entry >
Endemic to Baja California in Mexico where the main threat is likely to be from an increase in the severity and frequency of fires due to fire suppression policies, coupled with the likely impacts of climate change. Read full species entry >
Endemic to the USA in southern California and threatened mainly by fire Read full species entry >
Endemic to the US-Mexican border where fire is a major threat Read full species entry >
Known from nine sites in northern California and south Oregon where fire and the introduction of pests and diseases are major threats Read full species entry >
Distributed in Gansu and Sichuan where the main threat is deforestation Read full species entry >
Native to China where it is distributed in Gansu and Sichuan; deforestation has caused the decline of this valued timber species. Read full species entry >