Andrey Sergeevich Erst () is a Russian botanist, who is a senior researcher at the Central Siberian Botanic Garden in
Novosibirsk
Novosibirsk is the largest city and administrative centre of Novosibirsk Oblast and the Siberian Federal District in Russia. As of the 2021 Russian census, 2021 census, it had a population of 1,633,595, making it the most populous city in Siber ...
.
Career
Andrey Erst studied at Altai State University from 2000 to 2005 before undertaking postgraduate study at the Central Siberian Botanic Garden, defending his thesis in 2009, on the subject of the genus ''
Ranunculus
''Ranunculus'' is a large genus of about 1750 species of flowering plants in the family Ranunculaceae. Members of the genus are known as buttercups, spearworts and water crowfoots.
The genus is distributed worldwide, primarily in temperate an ...
'' in the
Altai Mountains
The Altai Mountains (), also spelled Altay Mountains, are a mountain range in Central Asia, Central and East Asia, where Russia, China, Mongolia, and Kazakhstan converge, and where the rivers Irtysh and Ob River, Ob have their headwaters. The ...
. Since 2009 he has continued working at the Botanic Garden, becoming a junior researcher in 2009, researcher in 2011, and senior researcher in 2014.
Erst specialises in
systematics
Systematics is the study of the diversification of living forms, both past and present, and the relationships among living things through time. Relationships are visualized as evolutionary trees (synonyms: phylogenetic trees, phylogenies). Phy ...
, floristics (the study of the distribution of plants),
molecular biology
Molecular biology is a branch of biology that seeks to understand the molecule, molecular basis of biological activity in and between Cell (biology), cells, including biomolecule, biomolecular synthesis, modification, mechanisms, and interactio ...
, and karyology (the study of
cell nuclei
The cell nucleus (; : nuclei) is a membrane-bound organelle found in eukaryotic cells. Eukaryotic cells usually have a single nucleus, but a few cell types, such as mammalian red blood cells, have no nuclei, and a few others including osteoc ...
, especially
chromosome
A chromosome is a package of DNA containing part or all of the genetic material of an organism. In most chromosomes, the very long thin DNA fibers are coated with nucleosome-forming packaging proteins; in eukaryotic cells, the most import ...
s). He is a member of the Novosibirsk Branch of the
Russian Botanical Society.
Legacy
The
International Plant Names Index
The International Plant Names Index (IPNI) describes itself as "a database of the names and associated basic bibliographical details of seed plants, ferns and lycophytes." Coverage of plant names is best at the rank of species and genus. It inclu ...
lists Erst as the authority for 26 taxa, primarily in the
Ranunculaceae
Ranunculaceae (, buttercup or crowfoot family; Latin "little frog", from "frog") is a family (biology), family of over 2,000 known species of flowering plants in 43 genera, distributed worldwide.
The largest genera are ''Ranunculus'' (600 spec ...
, especially ''
Aquilegia
''Aquilegia'', commonly known as columbines, is a genus of perennial flowering plants in the family Ranunculaceae (buttercups). The genus includes between 80 and 400 taxa (described species and subspecies) with natural Species distribution, rang ...
'' species native to Siberia, the Russian Far East, and China.
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