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Chrysosplenium iowense
Also called Iowa Golden Carpet
Chrysosplenium iowense is a species of flowering plant in the saxifrage family known by the common name Iowa golden-saxifrage. It is native to North America, where it is "primarily a Canadian species", occurring from the northern Northwest Territories south to British Columbia and east to Manitoba. There are also disjunct, relictual occurrences within the United States, in the Driftless Area of Minnesota and Iowa.
Populations of Chrysosplenium iowense are generally small, containing no more than a few hundred individuals. They inhabitant wet and moist streambanks and woods. In the southern part of its range this northern species occurs and persists in spots that are always cool to cold, such as ice caves and tunnels carrying cold air. In the US it is found on algific (cold producing) talus slopes derived from dolomite; where cold air seeps down from ice-caves on north facing slopes. These cool moist habitats are very limited in size, some being only a one square meter. Other species that are restricted to these relic boreal locations include Carex media, Adoxa moschatellina, and several endemic land snails.
Alternate-leaved Golden-saxifrage · American golden saxifrage · Stolon Golden Saxifrage · Pacific golden saxifrage · Opposite-leaved Golden Saxifrage · Hairy Golden Saxifrage · Chrysosplenium sinicum · Chrysosplenium tosaense · Chrysosplenium valdivicum · Wright's golden saxifrage · Golden saxifrage
Text excerpted from the Wikipedia article Chrysosplenium iowense by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
