From smooth and button-size to spiky and giant-size, why are cacti so diverse?
Cacti are among the most diverse plants, from the giant saguaro cactus that can grow up to 18 meters in height, all the way ...
来自MSN7 个月
Rising seas cause 1st US plant extinction, rare 20-foot tall cactus gone
Experts have documented the “first local extinction” of plant species driven by rising sea levels in the United States. The Key Largo tree cactus, at over 20 feet tall, was once a beautiful ...