Walther Otto Müller, also Otto Müller, (20 June 1833 – 17 July 1887, in

Gera Gera () is a city in the German state of Thuringia. With around 93,000 inhabitants, it is the third-largest city in Thuringia after Erfurt and Jena as well as the easternmost city of the ''Thüringer Städtekette'', an almost straight string of ...

) was a German botanist and gardner.Frahm & Eggers: ''Lexikon deutschsprachiger Bryologen.'' He was mainly interested in

Cryptogam A cryptogam (scientific name ''Cryptogamae'') is a plant, in the broad sense of the word, or a plant-like organism that share similar characteristics, such as being multicellular, photosynthetic, and primarily immobile, that reproduces via sp ...

ae, in particular

lichen A lichen ( , ) is a hybrid colony (biology), colony of algae or cyanobacteria living symbiotically among hypha, filaments of multiple fungus species, along with yeasts and bacteria embedded in the cortex or "skin", in a mutualism (biology), m ...

and

moss Mosses are small, non-vascular plant, non-vascular flowerless plants in the taxonomic phylum, division Bryophyta (, ) ''sensu stricto''. Bryophyta (''sensu lato'', Wilhelm Philippe Schimper, Schimp. 1879) may also refer to the parent group bryo ...

es. Müller was the author of some books and several articles in scientific and botanical journals. He monochrome illustrated at least one. He collected plants, lichen and mosses for herbaria to sell the exsiccates as loose-leaf-collections. Several of these

exsiccatae Exsiccata (Latin, ''gen.'' -ae, ''plur.'' -ae) is a work with "published, uniform, numbered set of preserved specimens distributed with printed labels". Typically, exsiccatae are numbered collections of dried herbarium specimens or preserved bio ...

issued by him are known, among them ''Die Cladoniaceen von Nord-Deutschland, herausgegeben von W. O. Müller''.Triebel, D. & Scholz, P. 2001–2024 ''IndExs – Index of Exsiccatae''. Botanische Staatssammlung München: http://indexs.botanischestaatssammlung.de. – München, Germany. The topography of the Gera region provided flora and fauna from lowland and highland at one rich spot. Some of his specimens are housed at the

British Museum The British Museum is a Museum, public museum dedicated to human history, art and culture located in the Bloomsbury area of London. Its permanent collection of eight million works is the largest in the world. It documents the story of human cu ...

. Some confuse him with: * Walther Müller, German lithographer in Gera, who somewhen changed the spelling to Walter Müller, complete name Wilhelm Walter Müller (1845-1927), working from 1870 to 1919 as an illustrator, lithographer who produced botanical and anatomical drawing, lithography, chromolithography and hand-colouring, marking with italics WM or WMüller (VIAF-ID: 236205928). * Otto Müller, German botanist in

Berlin Berlin ( ; ) is the Capital of Germany, capital and largest city of Germany, by both area and List of cities in Germany by population, population. With 3.7 million inhabitants, it has the List of cities in the European Union by population withi ...

, complete name Georg Ferdinand Otto Müller (1837-1917), who collected and studied

algae Algae ( , ; : alga ) is an informal term for any organisms of a large and diverse group of photosynthesis, photosynthetic organisms that are not plants, and includes species from multiple distinct clades. Such organisms range from unicellular ...

(

Diatomaceae A diatom (Neo-Latin ''diatoma'') is any member of a large group comprising several genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world. Living diatoms make up a significant portion of Earth's biomass. ...

, Bacillariaceae) from 1870 up to 1912. He has the taxonomic author abbreviation O.Müll. (VIAF ID: 295723048). * Otto Müller, German botanist in Breslau (nowadays Wrocław), who did research in the field of

plant physiology Plant physiology is a subdiscipline of botany concerned with the functioning, or physiology, of plants. Plant physiologists study fundamental processes of plants, such as photosynthesis, respiration, plant nutrition, plant hormone functions, tr ...

vine A vine is any plant with a growth habit of trailing or scandent (that is, climbing) stems, lianas, or runners. The word ''vine'' can also refer to such stems or runners themselves, for instance, when used in wicker work.Jackson; Benjamin; Da ...

1887.

Works

* ''Flora der Reussischen Länder und deren nächster Umgebungen'' (1863

* ''Cryptogamen-Flora enthaltend die Abbildung und Beschreibung der vorzüglichsten Cryptogamen Deutschlands.'' - Gustav Pabst and Walther Otto Müller - Gera, C.B. Griesbach, 1874-1877. 3 parts in 1 volume. Large 4to (33 x 24.5 cm). With 12 numbered lithographed plates by C. Bollmann (Gera) in part 1 which was written jointly by Pabst and Müller; several wood engravings in text and 25 (numbered 23) chromolithographed plates by J.G. Bach (Leipzig) in part 2; illustrations by Müller and Pabst - 1 lithographed and 8 numbered chromo-lithographed plates by Franz Dietsch (Gera) in part 3. Parts 2 and 3 were written by Pabst.

References

External links

{{DEFAULTSORT:Muller, Walther Otto German bryologists German lichenologists 1833 births 1887 deaths 19th-century German botanists