Equisetum and Carex spp. growing at the margin of a small hot spring apron
looks dry - but below the gravel of sinter chips the sediment is wet.
Dense stand of plants between the spring vent and the gravel in the
foreground is dominated by Equisetum palustris
plus Carex nigra
with less common Equisetum arvense
stobili and fossil Equisetum
fragments in sinter chips.
of the same wetland area where recent inundation by hot spring waters
is forming a sinter crust between the stems of sparse Carex maritima