MLive - GrandRapids/Muskegon/Kalamazoo on MSN15 小时
How to get your dawn redwood - and other big trees - on the Michigan database
Today, there are 11 dawn redwoods on the Michigan Big Tree Register, a program of the Michigan Botanical Society. The ...
MLive - GrandRapids/Muskegon/Kalamazoo on MSN3 天
Once thought extinct, dawn redwoods are the smallest sequoia; where to see them in Michigan
A dawn redwood planted in 1954 stands about 86 feet tall and 3.9 feet in diameter at Michigan State University's Beal ...
National Geographic news1 年
Forest Giant
One thing to remember about them ... discoveries made by Sillett’s team is that even the rate of growth of a big tree, not just its height or total volume, can increase during old age.