Question: Do either Chamaelirium or Aphyllanthes have more than one species?

full_context: Document 1: Chelone (plant): Chelone is a genus of four species of perennial herbaceous plants native to eastern North America. They all have similarly shaped flowers (which led to the name turtlehead due to their resemblance to the head of a turtle), which vary in color from white to red, purple or pink. "C. cuthbertii", "C. glabra", and "C. lyonii" are diploid and "C. obliqua" is either tetraploid or hexaploid.
Document 2: Holmgrenanthe: Holmgrenanthe petrophila (rocklady, formerly "Maurandya petrophila") is a rare perennial desert plant in the plantain family (Plantaginaceae), and the sole species of the genus Holmgrenanthe. It forms low mats of branched stems growing from a woody base. The leaves have small spines along their edges. The solitary yellow flowers are tubular with five free lobes at the end, the upper two pointing backwards, the lower three projecting forwards. The species is known only from about ten locations, most in the Titus Canyon and the adjacent Fall Canyon, all within the Californian section of Death Valley National Park. It grows in limestone crevices on the canyon walls, often on the north face.
Document 3: Liatris: Liatris ( ; is a genus of flowering plants in the boneset tribe within the sunflower family native to North America (Canada, United States, Mexico and the Bahamas). Common names include blazing star and gayfeather. Some species are used as ornamental plants, sometimes in flower bouquets.
Document 4: Haberlea: Haberlea is a monotypic genus of flowering plants in the family Gesneriaceae. The only member of this genus, Haberlea rhodopensis, is endemic to several mountains in Bulgaria, especially the Rhodope mountains, and small part of northern Greece. Common names include Orpheus flower and resurrection plant because of the remarkable ability of "Haberlea" to survive very long periods of desiccation.
Document 5: Chamaelirium: Chamaelirium is a genus of flowering plants containing the single species Chamaelirium luteum, commonly known as blazing-star, devil's bit, false unicorn, fairy wand, and helonias. It is a perennial herb native to the eastern United States. It can be found in a variety of habitats, including wet meadows and deciduous woodlands.
Document 6: Chamaemelum: Chamaemelum is a small genus of plants in the daisy family commonly known as chamomiles or dogfennels. Perhaps the best-known species is Roman chamomile, "Chamaemelum nobile". These are annual or perennial herbs, rarely exceeding half a meter in height and usually bearing solitary white daisylike flowers with yellow centers. They are native to Europe but most species can be found scattered in other continents where they have been introduced.
Document 7: Aphyllanthes: Aphyllanthes is a genus of flowering plants with only one species, Aphyllanthes monspeliensis, endemic to the western Mediterranean region. It is the only genus in the Aphyllanthoideae, a subfamily of the family Asparagaceae. Aphyllanthoideae was formerly treated as a separate family, Aphyllanthaceae.
Document 8: Hesperolinon adenophyllum: Hesperolinon adenophyllum is a rare species of flowering plant in the flax family known by the common names glandular dwarf flax and glandular western flax. It is endemic to California, where most known occurrences have been recorded in Lake and Mendocino Counties. It is generally found in chaparral ecosystems on serpentine soils. This is an annual herb growing erect to heights between 10 and 50 centimeters. Its narrow, lance-shaped leaves are lined with rows of teeth with large knobby glandular points. The flower has small sepals speckled with glandular hairs and five thin yellow petals. The stamens protrude from the face of the flower and hold large yellow anthers.
Document 9: Apophyllum: Apophyllum is a genus of plant native to Australia. It contains only one species, which by definition makes the genus a monotypic genus. This single species is called Apophyllum anomalum, commonly called warrior bush or broom bush.
Document 10: Sarcopoterium: Sarcopoterium is a genus of flowering plants in the rose family. The genus is synonymous to "Poterium". The sole species within this genus, Sarcopoterium spinosum, is common to the southeast Mediterranean region and Middle East. It is a perennial bush with small flowers in inflorescence. "Sarcopoterium spinosum" flowers in February to April and its fruits mature in autumn, then fall to earth to germinate with the rain water.
Document 11: Anaphalis: Anaphalis is a genus of herbaceous and woody flowering plants within the Asteraceae family, whose members are commonly known by the name pearl or pearly everlasting. There are around 110 species with the vast majority being native to central and southern Asia. There is one species native to North America that is fairly well known and popular in cultivation, namely the western pearly everlasting ("Anaphalis margaritacea").
Document 12: Ruscus: Ruscus is a genus of six species of flowering plants, native to western and southern Europe (north to southern England), Macaronesia, northwest Africa, and southwestern Asia east to the Caucasus. In the APG III classification system, it is placed in the family Asparagaceae, subfamily Nolinoideae (formerly the family Ruscaceae). Like many lilioid monocots, it was formerly classified in the family Liliaceae.
Document 13: Liatris pycnostachya: Liatris pycnostachya (prairie blazing star) is a perennial plant native to the tallgrass prairies of the United States. "Liatris pycnostachya" is an erect perennial found in tallgrass prairie remnants in the Midwestern and Eastern United States. The plant reaches 1-3 ft in height "with numerous ascending linear leaves and magnificient, showy, compact spikes of rose pink blossoms.
Document 14: Caulophyllum: Caulophyllum is a small genus of perennial herbs in the family Berberidaceae. It is native to eastern Asia and eastern North America. These plants are distinctive spring wildflowers, which grow in moist, rich woodland, it is known for its large triple-compound leaf, and large blue, berry-like fruits. Unlike many spring wildflowers, it is not an ephemeral plant and persists throughout much of the summer. Common names for plants in this genus include Blue Cohosh, Squaw Root, and Papoose Root. As hinted at by its common names, this plant is well known as an alternative medicine for inducing childbirth and menstrual flow; it is also considered a poisonous plant.
Document 15: Chylismiella: Chylismiella pterosperma is a species of evening primrose known by the common name wingfruit suncup and is the only species in the monotypic genus Chylismiella. It is native to the western United States, where it grows in several habitat types, including sagebrush. It is a slender annual herb producing an erect stem up to about 14 centimeters in height. The leaves are up to 3 centimeters long and densely coated in bristly hairs. The nodding inflorescence produces flowers with white petals each less than 3 millimeters long. They are sometimes yellow near the bases and fade to a purple color as they wither. The fruit is a straight capsule about 1 to 3 centimeters long with a thick wing down the middle.
ground_truth: no