Tiny but tenacious: arctic-alpine plants are engineers and warning bells
The miniature flowers not only weather some of the toughest habitats on Earth, but can also help engineer the landscape for other species.
Don’t be fooled by their delicate petals. Some species of rock jasmine and sandwort grow at well over 6,000 metres on Mount Everest, while purple saxifrage flourishes on the northernmost point of land in the world – Kaffeklubben Island, north of Greenland – and throughout the Arctic, Alaska and the tips of the European Alps.
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