| Dimelaena oreina | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Caliciales |
| Family: | Caliciaceae |
| Genus: | Dimelaena |
| Species: | D. oreina |
| Binomial name | |
| Dimelaena oreina | |
| Synonyms | |
| |
Dimelaena oreina, the golden moonglow lichen, is a greenish yellow placodioid lichen. [2] The color of the greenish yellow thallus is derived from usnic acid in the cortex. [2]
The lichen grows on steep surfaces of hard siliceous rock from 400 to 2,800 metres (1,300 to 9,200 ft). [2] It has a worldwide distribution outside the tropics, Australasia, and Antarctica. [2] It is common in the Sonoran Desert of Arizona, California, Baja California, Baja California Sur, Sonora, Mexico, and Chihuahua, Mexico. [2]
Peucephyllum is a monotypic genus of flowering plants containing the single species Peucephyllum schottii. Its common names include pygmy cedar, Schott's pygmy cedar, desert fir, and desert pine. It is not a cedar, fir, or pine, but a member of the aster family, Asteraceae. It is a leafy evergreen shrub with glandular, resinous foliage. It flowers in yellow flower heads which have only disc florets. The fruits are woody, bristly seeds with a pappus. This plant is native to the deserts of Arizona, California, Nevada, and Utah in the United States and Baja California and Sonora in northern Mexico.
Hazardia squarrosa is a North American species of shrub in the family Asteraceae known by the common name sawtooth goldenbush. It is native to California in the United States and Baja California in Mexico.
Niebla is a genus of yellow-green fruticose lichens that grow on rocks, trees, and shrubs within the fog zone of coastal North America, or more narrowly defined to occur on rocks and soil along the Pacific Coast from Mendocino County in California south to Baja California Sur.
Acarospora flavisparsa is a species of lichen in the family Acarosporaceae. Found in Portugal and Spain, it was described as new to science in 2011. The lichen grows on acidic rock walls in inland areas.
Flora of the Sonoran Desert includes six subdivisions based on vegetation types. Two are north of the boundary between the United States and Mexico, and four are south of the boundary. The flora of the Colorado Desert are influenced by the environment of the very dry and hot lower areas of the Colorado River valley, which may be barren, treeless, and generally have no large cacti. Flora of the Arizona Upland are comparatively lush, with trees and large columnar cacti that can withstand winter frosts. South of the border subdivisions are characterized by plants that cannot withstand frost.
Dimelaena thysanota is a crustose lichen in the family Physciaceae, found in the mountains of western North America and the Sonoran Desert.
Acarospora socialis is a usually bright yellow aereolate to squamulose crustose lichen in the Acarosporaceae family that grows up to 10 cm wide, mostly on rock in western North America. It is among the most common lichens in the deserts of Arizona and southern California. It grows on sandstone, intrusive and extrusive igneous rock such as granitics, in all kinds of exposures to sunlight, including vertical rock walls. It is found in North America, including areas of the Mojave Desert and Sonoran Desert region, to Baja California Sur. It is the most common yellow member of its genus in southwestern North America. It sometimes, but rarely, grows on other soil crusts. It is a pioneer species.
Xanthoparmelia maricopensis, the Maricopa rock-shield, is a 2–6 cm (0.8–2.4 in) wide, yellow-green foliose lichen in the Parmeliaceae family. It grows on igneous rock in southwestern North American deserts.
Chrysothrix granulosa, the coastal gold dust lichen, is a brilliant yellow, powdery (leprose) lichen that grows in irregular patches mostly on bark in shaded dry areas of coastal western North America and western South America.
Lecanora muralis(Protoparmeliopsis muralis) is a waxy looking, pale yellowish green crustose lichen that usually grows in rosettes radiating from a center (placodioid) filled with disc-like yellowish-tan fruiting bodies (apothecia). It grows all over the world. It is extremely variable in its characteristics as a single taxon, and may represent a complex of species. The fruiting body parts have rims of tissue similar to that of the main nonfruiting body (thallus), which is called being lecanorine. It is paler and greener than L. mellea, and more yellow than L. sierrae. In California, it may be the most common member of the Lecanora genus found growing on rocks (saxicolous).
Acarospora schleicheri, the soil paint lichen, is a bleached to bright yellow areolate to squamulose lichen that commonly grows to 10 cm (4 in) on soil (terricolous) in arid habitats of southern California and Baja California, also in Europe and Africa. It produces rhizocarpic acid as a secondary metabolite, which gives it a yellow coloration and serves to protect it from the sun. Its lower surface is also yellow. It can be greenish when moist. Roundish, angular, or irregularly shaped squamules are 0.5–4 mm in diameter. There are 0–1 apothecia embedded in the thallus, with 0.4–1.2 mm roundish black to reddish-brown, or dark brown discs, which sometimes fill the areola so as to be lecanorine. It divides vegetatively on the soil. Asci are club shaped (clavate) and have 100 or more spherical to ellipsoid spores. Lichen spot tests are negative, and it is UV+ orange under ultraviolet light.
Vermilacinia paleoderma is a pale yellow-green fruticose lichen that occurs commonly along the fog zone of the Pacific Coast of Northern Vizcaíno Desert region of Baja Californica and occasionally in the Chaparral Islands of California.
Vermilacinia polymorpha is a fruticose lichen infrequently found on Santa Catalina Island in the Channel Islands of California and along the mainland coast in Ventura and Orange counties. It has also been indicated to occur south into northwestern Baja California without reference to specimens to support its range extension, and shown to occur on the Vizcaíno Peninsula in central Baja California on a distribution map in a lichen flora, without reference to specimen data; however, specimen data from other sources indicate it does occur as far south as Punta Santa Rosalillita on the main peninsula of Baja California., and also reported from Guadalupe Island
Niebla arenaria is a fruticose lichen that grows along the Pacific Coast of North America in the fog regions of the northern peninsula of Baja California from near Colonet south to Morro Santo Domingo. The epithet, arenaria, is in regard to the species growing on sand.
Niebla dilatata is a fruticose lichen that grows on rocks on Guadalupe Island and the foggy coast of the Baja California peninsula. The epithet, dilatata, is in reference to the broadly expanded (dilated) lobes of the thallus.
Niebla effusa is a fruticose lichen that grows on gravelly soil along the foggy Pacific Coast of Baja California from near Punta Colonet south to near Punta Rosarito. The epithet, effusa is in reference to the thallus spreading widely along the surface.
Niebla flagelliforma is a fruticose lichen that grows on rocks along the foggy Pacific Coast of Baja California mostly in the Northern Vizcaíno Desert. The epithet, flagelliforma is in reference to the individual branches of the thallus shaped like a flagellum.
Niebla marinii is a fruticose lichen that grows on lava along the Pacific Coast of Baja California from near San Fernando Canyon south to Morro Santo Domingo. The epithet, marinii, is in honor of a field assistant, Richard Marin, who accompanied the author on lichen-collecting expeditions to Baja California during 1985–1996, while he also assisted in the gathering of samples of flowering plants for cancer research.
Niebla podetiaforma is a fruticose lichen that grows frequently on small stones in fog regions along the Pacific Coast of Baja California from San Vicente Canyon to Morro Santo Domingo. The epithet, podetiaforma is in reference to a primary inflated branch of the thallus that resembles a podetium, a common feature in the lichen genus Cladonia.
Niebla rugosa is a fruticose lichen that grows on rocks along the foggy Pacific Coast of Baja California in the Vizcaíno Desert. The epithet, rugosa is in reference to the wrinkled reticulated surface of the thallus.
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