Question: Which genus of flowering plant is found in an environment further south, Crocosmia or Cimicifuga?

Passages:
Actaea elata (syn.  "Cimicifuga elata") is a species of flowering plant in the buttercup family known by the common name tall bugbane.  It is native to the Pacific Northwest of North America, where it can be found in British Columbia, Washington, and Oregon. Actaea racemosa (black cohosh, black bugbane, black snakeroot, fairy candle; syn.  "Cimicifuga racemosa") is a species of flowering plant of the family Ranunculaceae.  It is native to eastern North America from the extreme south of Ontario to central Georgia, and west to Missouri and Arkansas.  It grows in a variety of woodland habitats, and is often found in small woodland openings.  The roots and rhizomes have long been used medicinally by Native Americans.  Extracts from these plant materials are thought to possess analgesic, sedative, and anti-inflammatory properties.  Black cohosh extracts are being studied as treatments for symptoms associated with menopause. Crocosmia paniculata (Aunt Eliza) is a bulbous flowering plant that is native to eastern South Africa, Lesotho, and Swaziland, growing in wet areas by streams, marshes, and drainages.  Plants reach 4 to 5 ft (1.2–1.5 m) tall, with lanceolate leaves and deep orange to orange-brown flowers.  It is a popular ornamental plant. Chrysanthemum japonense (also known as "ashizuri noji-giku Ashizuri" (Japanese) meaning ""Point wild roadside daisy"" or gold / silver chrysanthemum in English) is a flowering plant within the Asteraceae family and "Chrysanthemum" genus and has a 27 pairs of chromosomes.  It is a perennial flowering plant with leaves between 3–5 cm in length and flower heads that are 3-4.5 cm with white petals.  Typically, flowering occurs in October to December annually.  It the floral emblem of Hyōgo Prefecture. Crocosmia aurea, common name Falling Stars, Valentine Flower, or Montbretia, is a perennial flowering plant belonging to the family Iridaceae. Wolffia arrhiza is a species of flowering plant known by the common names spotless watermeal and rootless duckweed, belonging to the Araceae, a family rich in water-loving species, such as "Arum" and "Pistia".  It is the smallest vascular plant on Earth.  It is native to Europe, Africa, and parts of Asia, and it is present in other parts of the world as a naturalized species.  It is an aquatic plant which grows in quiet water bodies such as ponds.  The green part of the plant, the frond, is a sphere measuring about 1 mm wide, but with a flat top that floats at the water's surface.  It has a few parallel rows of stomata.  There is no root.  The plant produces a minute flower fully equipped with one stamen and one pistil.  It often multiplies by vegetative reproduction, however, with the rounded part budding off into a new individual.  In cooler conditions the plant becomes dormant and sinks to the bed of the water body to overwinter as a turion.  The plant is a mixotroph which can produce its own energy by photosynthesis or absorb it from the environment in the form of dissolved carbon. Crocosmia ( ; J. E. Planchon, 1851) (montbretia) is a small genus of flowering plants in the iris family, Iridaceae.  It is native to the grasslands of southern and eastern Africa, ranging from South Africa to Sudan.  One species is endemic to Madagascar. Cimicifuga (bugbane or cohosh) was a genus of between 12-18 species of flowering plants belonging to the family Ranunculaceae, native to temperate regions of the Northern Hemisphere. Lycium ruthenicum (), is a flowering plant commonly known as Russian box thorn in the West.  is a species of flowering plant in the nightshade family which can be found in Central Asia, southern part of Russia, throughout Northwest China, and Pakistan.  Also commonly known as black fruit wolfberry, goji nero, siyah goji, kaokee, თეთრეკალა, (Tibetan name) “next to Mary”, is a species of flowering plant in the nightshade family which can be found in Central Asia, southern part of Russia, throughout Northwest China, and Pakistan. Actaea arizonica is a species of flowering plant in the buttercup family known by the common name Arizona bugbane.  It is endemic to Arizona in the United States, where it occurs in Coconino, Gila, and Yavapai Counties.  Like some other species in genus "Actaea", this plant was formerly included in the genus "Cimicifuga".

Supporting sentences:
Crocosmia ( ; J. E. Planchon, 1851) (montbretia) is a small genus of flowering plants in the iris family, Iridaceae.  It is native to the grasslands of southern and eastern Africa, ranging from South Africa to Sudan.  One species is endemic to Madagascar. Cimicifuga (bugbane or cohosh) was a genus of between 12-18 species of flowering plants belonging to the family Ranunculaceae, native to temperate regions of the Northern Hemisphere.