Fritillaria meleagris is a Eurasian species of flowering plant in the lily family Liliaceae. Its common names include snake's head fritillary, snake's head, chess flower, frog-cup, guinea-hen flower, guinea flower, leper lily, Lazarus bell, chequered lily, chequered daffodil, drooping tulip or, in the British Isles, simply fritillary. The plant is a bulbous perennial native to the flood river plains of Europe where it grows in abundance.
Fritillaria affinis, the chocolate lily, is a highly variable species of flowering plant in the lily family Liliaceae native to western North America.
Potentilla hickmanii is an endangered perennial herb of the rose family. This rare plant species is found in a narrowly restricted range in two locations in coastal northern California, in Monterey County, and in very small colonies in San Mateo County. This small wildflower, endemic to western slopes of the outer coastal range along the Pacific Ocean coast, produces bright yellow blossoms through spring and summer.
Limnanthes vinculans, the Sebastopol meadowfoam, is an endangered species of meadowfoam found only in the Laguna de Santa Rosa in Sonoma County, California, United States and an area slightly to the south in the Americano Creek and Washoe Creek watersheds. The name vinculans derives from the Latin root vinculum, meaning "a bond, a cord." The specific epithet vinculans means linking or bonding, in reference to the sharing of some characters of L. vinculans with L. douglasii (R.Br) and L. bakeri.
Acanthomintha duttonii is a species of annual plant endemic to San Mateo County, California in the family Lamiaceae. It is commonly called San Mateo thornmint and is found growing on serpentine soils near the Crystal Springs Reservoir in a six-mile (10 km) long strip on the east side of Montara Mountain at elevations of approximately 150 to 300 meters.
The Sonoma Mountains are a northwest–southeast trending mountain range of the Inner Coast Ranges in the California Coast Ranges System, located in Sonoma County, Northern California.
Trifolium amoenum, known by the common names showy Indian clover and two-fork clover, is endemic to California, and is an endangered annual herb that subsists in grassland areas of the San Francisco Bay Area and the northern California Coast Ranges.
Fritillaria biflora, the chocolate lily or mission bells, is a species of fritillary native to western California, US, and northern Baja California, Mexico. It occurs in the chaparral and woodlands ecoregion, often in serpentine soil formations and hillside grassland habitats.
Fritillaria recurva, the scarlet fritillary, is a North American bulb-forming herbaceous perennial plant in the lily family Liliaceae. It is native to the western United States, from southwest Oregon down to northern California where it grows in the Klamath Mountains, Northern Coast Ranges, Cascade Range, and Sierra Nevada. Most of the known Californian locations are in the northern half of the state, as far south as Solano and El Dorado Counties, but there are isolated populations in Tulare and Mariposa Counties. The species has also been reported from Douglas and Washoe Counties in Nevada. It grows in dry, open woodlands and chaparral at 300–2,200 metres (980–7,220 ft), and it blooms in spring from February to July.
Fritillaria gentneri, or Gentner's fritillary, is a rare species of flowering plant in the lily family Liliaceae, that is endemic to southwest Oregon and adjacent Siskiyou County, California, USA. Its habitat is dry, open woodlands and chaparral at 1,000–5,000 ft (300–1,520 m), where it blooms from March through July. However, most populations have generally finished blooming by the end of May. As with many plants, the lower elevations bloom earliest with the bloom period moving up following elevation.
Fritillaria eastwoodiae, also known as Butte County fritillary or Eastwood's fritillary is a rare member of the Lily family (Liliaceae), native to the foothills of the northern Sierra Nevada, and Cascade Mountains in California and southern Oregon, USA.
Fritillaria agrestis is a species of fritillary known by the common name stinkbells. It is endemic to California, where it is found in scattered populations from Mendocino County and Butte County to Ventura County. It grows in heavy soils, particularly clay. It is not common.
Fritillaria falcata is a species of fritillary known by the common name talus fritillary. It is endemic to California, USA, known only from 5 counties south and east of San Francisco Bay. It grows in the Coast Ranges at elevations of 300–1200 m, mostly on serpentine talus. It is sometimes considered a subspecies of Fritillaria atropurpurea.
Fritillaria micrantha, the brown fritillary or brown bells, is a Californian species of flowering plant in the lily family Liliaceae.
Fritillaria ojaiensis is a rare species of fritillary known by the common name Ojai fritillary.
Fritillaria striata, the striped adobe lily, is an uncommon species of fritillary.
Fritillaria purdyi, the Purdy's fritillary, is a rare species of flowering plant in the lily family Liliaceae.
Fritillaria viridea is a rare species of flowering plant in the lily family Liliaceae, known by the common name San Benito fritillary. It is endemic to the Central Coast Ranges of California, USA, where it belongs to the chaparral and serpentine soils flora. There are confirmed records of this species from San Benito and Monterey Counties plus unconfirmed reports from Fresno and San Luis Obispo Counties.
Fritillaria biflora var. ineziana, the Hillsborough chocolate lily, is a species of fritillary endemic to San Mateo County, California. It grows on serpentinite in cismontane woodland and valley and foothill grassland at elevations that range from 295 to 525 feet It is typically found on serpentine soils and it is defined as a "broad endemic" where 85-94% of occurrences are expected to occur on ultramafic soils.
