Rolf Santesson

Diploschistes muscorum is a species of lichen-forming fungus belonging to the family Graphidaceae. It has cosmopolitan distribution. In Nepal, Diploschistes muscorum has been reported from 900 to 2,160 m elevation in a compilation of published records.

Lichenopeltella santessonii is a species of lichenicolous fungus (a fungus that grows on lichens) belonging to the class Dothideomycetes. It forms small, dark fruiting bodies on various lichen species, primarily those in the genus Peltigera, and has been documented in several Nordic countries including Finland, Sweden and Iceland. The fungus can be distinguished from related species by its larger spore-producing structures and spores.

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Enterographa bella is a species of foliicolous (leaf-dwelling) lichen in the family Roccellaceae. The lichen is characterised by its orange-brown, often wavy lirellae (fruiting bodies). Its photobiont partner is from the green algal genus Phycopeltis.

Stigmidium degelii is a species of lichenicolous (lichen-dwelling) fungus in the family Mycosphaerellaceae. It was described as a new species in 1993 by the Swedish lichenologist Rolf Santesson. The type specimen was collected in Hordaland, Norway, in 1932. The species epithet honours Gunnar Degelius, who was the author's "first teacher in lichenology". The fungus grows on the foliose lichen Degelia plumbea. It does not cause discolouration or gall formation on the host thallus, but produces perithecia (fruiting bodies) that are immersed in the surface layers of the host, with only the dark

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Menegazzia subsimilis is a species of lichen in the family Parmeliaceae It is found scattered across the world, including Oceania (Hawaii, Solomon Islands), Asia (Japan, Papua New Guinea, Russia), Europe (Austria, Germany, Portugal), South America (Ecuador, Peru), the Caribbean (Dominican Republic, Jamaica) and North America (Canada, USA). It has recently been recorded for the first times in Tibet (2005), in the British Isles, and in Malaysia and Indonesia (2007). The lichen was originally described as Parmelia subsimilis by Swedish lichenologist Adolf Hugo Magnusson in 1941, based on

Menegazzia globulifera is a species of foliose lichen found in New Zealand, Australia, and southern South America. It was formally described as a species new to science in 1942 by Swedish lichenologist Rolf Santesson. The type specimen was collected north of Lago Fagnano (Tierra del Fuego, Argentina). The lichen is typically encountered as an epiphyte, but occasionally it has been recorded growing on rocks. Menegazzia globulifera contains usnic acid and lecanoric acid as major lichen products.

Menegazzia enteroxantha is a species of foliose lichen found in Australia. It was first formally described as a new to science by Swiss botanist Johannes Müller Argoviensis in 1896, as a species of Parmelia. Rolf Santesson transferred the taxon to genus Menegazzia in 1942.

Menegazzia aeneofusca is a species of lichen from South America, New Zealand, and Australia.

Lichenopeltella cetrariicola is a species of lichenicolous fungus belonging to the class Dothideomycetes. It has been reported from Europe and Iceland but it probably has a more widespread distribution. It has been reported from at least two host species, Cetraria islandica and Cetraria aculeata.

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Cladonia confusa is a species of lichen, native to and found in New Zealand, Australia, Africa and South America. It is one of many species of the genus Cladonia, collectively often referred to as fuzzy reindeer lichen. The species was described by Rolf Santesson in 1942.

Capronia normandinae is a species of lichenicolous (lichen-dwelling) fungus in the family Herpotrichiellaceae. The fungus was first formally described in 1990 by Rolf Santesson and David Hawksworth. The fungus has been recorded from Papua New Guinea, the Atlantic Ocean (Portugal, Madeira), Australasia (New Zealand), Europe (France, Ireland, Norway, Portugal, Spain, UK), and South America (Argentina, Chile, Colombia, Ecuador). The fungus parasitises the host lichen Normandina pulchella, after which it is named. A characteristic feature of Capronia normandinae is the black, hair-like structures

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