Category Perennial

Sandy, gravelly or peaty shores and bogs. Love

Wet and submersed areas; 0-3200 m. Gansu, Hebei, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Xinjiang Love

Dry sterile soil or thin woodlands. Woods and roadsides in Texas. Love

Dry prairies, gravels and rocky slopes. Love

Moist coniferous and deciduous woods, clearings and bluffs, preferring shaded streamsides. Love

Not known in a truly wild situation but found as an escape from cultivation in damp places. Love

Rich woods, thickets, river banks and prairies. Love

Prairies and glades. Calcareous or sandy soils and prairies in Texas. Love

Hedge banks and the shady sides of damp woods. Love

Walls, shingle and warm grassy places on sandy soils. Avoids acid soils. Love

Rocks, walls, cobbled paths etc, in dry sunny situations on acid or calcareous soils. Love

Cultivated ground, rocks and bushy places. Love

Shady cliffs and mossy rocks at low altitudes. Occasionally naturalized on walls in C. and S. Europe. Love

Meadows and wet grassy places by streams. Moist shady sites in grassland, on siliceous soils. Love

Grassland, usually on calcareous soils. Love