Frank Bungartz

Ramalina darwiniana is a species of strap lichen in the family Ramalinaceae. Found only in the Galápagos Islands, it was first described in 2007 and named in honour of Charles Darwin's work on the archipelago's biodiversity. This shrub-like lichen grows up to 15 centimetres wide and is typically found on tree bark or wood in coastal and arid areas of the islands. It is characterised by its greenish-grey colour, grooved branches that often curl at the tips, and the occasional presence of small holes where branches fuse together. R. darwiniana reproduces through cup-shaped structures called

Ramalina fragilis is a small, rock-dwelling fruticose lichen in the family Ramalinaceae, described in 2007 from the Galápagos Islands. It forms fragile, pale grey cushions with very thin, round branches and conspicuous whitish powdery tips. It is endemic to the archipelago. It is the rarest of the four Ramalina species thought to be endemic to the Galápagos, and is assessed as vulnerable species by the IUCN.

Buellia peregrina is a species of saxicolous (rock-dwelling), crustose lichen in the family Caliciaceae. It is found in the Namib desert in Namibia.

Buellia nashii is a species of lichen characterized by its crustose thallus, typically found in the Sonoran Desert Region and adjacent areas. It was first described by Bungartz et al. The species is named in honor of Dr. Thomas H. Nash III, a notable lichenologist and the Ph.D. supervisor of the author.

Calopadia cinereopruinosa is a species of corticolous (bark-dwelling) lichen in the family Ectolechiaceae. Found in the Galápagos Islands, it was described as new to science in 2011. It is characterized by its grey-black, white-pruinose apothecia and aeruginous hypothecium. This lichen usually grows on the bark of stems and twigs in the humid zones of the islands.

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Tylophoron hibernicum is a species of crustose lichen in the family Arthoniaceae. The species forms a thin, pale greyish-white crust dotted with small, rounded sporodochia that produce asexual spores. Originally described in 1979 as Blarneya hibernica based on Irish specimens, it was transferred to Tylophoron in 2011 following molecular and morphological studies that demonstrated Blarneya was nested within that genus. This bark-dwelling lichen grows on trees in humid forests and has a scattered pantropical to warm-temperate distribution, with confirmed records from Ireland, the Pyrenees, the

Tylophoron galapagoense is a species of saxicolous (rock-dwelling) crustose lichen in the family Arthoniaceae. It is found in the Galápagos Islands, where it forms patches on volcanic rock in sheltered locations such as shaded overhangs and crevices. It occurs from coastal areas through dry lowland forests to the transition zone. The species is distinguished from the similar bark-dwelling Tylophoron hibernicum by its thicker, cream-to-beige thallus and its preference for drier, rock-sheltered habitats.

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Megalospora galapagoensis is a species of corticolous (bark-dwelling), crustose lichen in the family Megalosporaceae. It is endemic to the Galápagos Islands. The lichen has a yellowish grey to whitish grey, glossy, and thick thallus that can grow up to 20 cm in diameter and has soredia evolving from coarse, corticated granules into confluent formations. Its apothecia (fruiting bodies) are round, grey-black to black, and glossy.

Coccocarpia delicatula is a species of foliicolous (leaf-dwelling) foliose lichen in the family Coccocarpiaceae. Known only from the Galápagos Islands and Réunion, it was described as new to science in 2011. Characterised by its rounded, foliose thallus and unique cylindrical isidia, this lichen is similar in appearance to Coccocarpia domingensis but has distinct differences in isidia shape and arrangement. Found on the bark and wood of dead twigs, Coccocarpia delicatula thrives in sunny, wind- and rain-exposed environments.

Buellia sulphurica is a species of saxicolous (rock-dwelling), crustose lichen in the family Caliciaceae. It was formally described as a new species in 2011 based on specimens from the Galápagos Islands, where it grows exclusively on volcanic rock near active sulfur vents. The lichen is recognized by its bright yellow colour, which stands out vividly against the dark volcanic landscape. Despite extensive searches, it has only been found on Isabela Island and remains a rare lichen in the Galápagos archipelago.

Phaeographis striata is a species of script lichen in the family Graphidaceae, endemic to the Galápagos Islands. It is characterized by its inconspicuous thallus and striate (grooved) thalline margins of the lirellae. The species is found in the lower transition zone, growing on columnar cacti and other plants native to the region.

Herpothallon hyposticticum is a species of crustose lichen in the family Arthoniaceae. This lichen forms a greyish-white to pale yellowish crust primarily on tree bark and occasionally on rock surfaces. It reproduces mainly through vegetative structures rather than spores. Initially thought to be endemic to the Galápagos Islands, where it grows from the upper transition zone to the humid zone on both native and introduced trees in semi-shaded to shaded environments, the species' known range was expanded when it was recorded in Florida in 2014.

Dictyonema subobscuratum is a species of basidiolichen in the family Hygrophoraceae. It is endemic to the Galápagos Islands, where it mostly grows as an epiphyte over bryophytes on branches and trunks in humid zones. It was formally described as a new species in 2017 by Manuela Dal-Forno, Frank Bungartz, and Robert Lücking. The type specimen was collected on Floreana Island along the rim trail to Cerro Pajas at an altitude of 442 m (1,450 ft); it has also been recorded from Santa Cruz Island. The lichen forms dark bluish-green filamentous, irregular mats that grow in patches up to 5 cm (2.0

Dictyonema darwinianum is a species of basidiolichen in the family Hygrophoraceae. It is endemic to the Galápagos Islands, where it grows as an epiphyte on the bark of branches and trunks, often closely associated with or overgrowing bryophytes and interspersed detritus. It was formally described as a new species in 2017 by Manuela Dal-Forno, Frank Bungartz, and Robert Lücking. The type specimen was collected along the trail from Bellavista to El Puntudo on Santa Cruz Island at an altitude of 502 m (1,647 ft). The lichen is common and widespread on the Galápagos Islands, where it forms dark

Cora santacruzensis is a species of basidiolichen in the family Hygrophoraceae. Found in the Galapagos, it was formally described as a new species in 2016 by Manuela Dal Forno, Frank Bungartz, and Alba Yánez-Ayabaca. The specific epithet santacruzensis refers to Santa Cruz Island, the type locality where the lichen was first documented scientifically. Here it was found at an abandoned farm behind El Puntudo, where it was growing on a shaded branch of an avocado tree (Persea americana). A paratype specimen was collected from a Cinchona tree (Cinchona pubescens). The lichen is one of two

Cora cyphellifera is a species of basidiolichen in the family Hygrophoraceae. Found in northern Ecuador, it was formally described as a new species in 2013 by Manuela Dal-Forno, Frank Bungartz, and Robert Lücking. The type specimen was collected near the entrance to the Alto Choco Reserve (in Cotacachi Canton, Ecuadorian Andes) at an elevation of 2,053 m (6,736 ft). Here, in open, disturbed forest patches, the lichen grows as an epiphyte on tree branches and twigs, forming foliose, light bluish-green thalli up to 15 cm (6 in) across, and comprising 20 to 30 semicircular lobes in each thallus.

Acantholichen galapagoensis, commonly known as the Galapagos spiny gladiator lichen, is a species of basidiolichen in the family Hygrophoraceae. Found in the Galápagos Islands, it was formally described as a new species in 2016 by Manuela Dal-Forno, Frank Bungartz, and Robert Lücking. The type specimen was collected in Isla Santa Cruz at an elevation of 684 m (2,244 ft). Here in a dense forest of Cinchona pubescens it was found growing over Frullania liverworts. The specific epithet refers to its type locality. In 2017, Acantholichen galapagoensis was assessed for the global IUCN Red List as

Usnea patriciana is a rare species of fruticose lichen in the family Parmeliaceae. It is endemic to the Galápagos Islands. This beard lichen has a shrubby appearance with cylindrical branches and distinct black pigmentation at its base.

Usnea mayrhoferi is a species of fruticose lichen in the family Parmeliaceae. It is found in the Galápagos Islands.

Usnea leana is a species of fruticose lichen in the family Parmeliaceae. Found in the Galápagos Islands, it characterized by its pendulous thallus, branches covered with point-like pseudocyphellae, and the presence of galbinic acid. This lichen is currently known to be endemic to the Galápagos, with only two known localities representing its distribution.