Alexander Borissovitch Doweld

Berberidopsidales is an order of Southern Hemisphere woody flowering plants. The name is newly accepted in the APG III system of plant taxonomy. APG II system, of 2003, mentions the possibility of recognizing the order, as comprising the families Berberidopsidaceae and Aextoxicaceae. However, APG II left the families unplaced as to order, assigning them to the clade core eudicots. The APG III system of 2009 formally recognized the order. The family Aextoxicaceae is a monotypic family native to Chile; Berberidopsidaceae is a family of 2 genera and 3 species native to Chile and eastern

Huerteales is an order of flowering plants. It is one of the 17 orders that make up the large eudicot group known as the rosids in the APG III system of plant classification. Within the rosids, it is one of the orders in Malvidae, a group formerly known as eurosids II and now known informally as the malvids. This is true whether Malvidae is circumscribed broadly to include eight orders as in APG III, or more narrowly to include only four orders. Huerteales consists of four small families, Petenaeaceae, Gerrardinaceae, Tapisciaceae, and Dipentodontaceae. Out of its constituent families,

Talinaceae is a family of two genera and 28 species of flowering plants comprising shrubs, lianas, and herbaceous species native to the Americas, Africa and Madagascar. The family is newly recognized through research by the Angiosperm Phylogeny Group III system to deal with long-standing phylogenetic difficulties in placing various genera within the Caryophyllales.

Myodocarpaceae is a family of flowering plants which contains 2 genera (Delarbrea, Myodocarpus) and 15 species. The family is accepted under the APG IV system and placed in the order Apiales. In earlier systems the two genera were included among the Araliaceae. The center of diversity of the family is New Caledonia, where 13 of the 15 included species are endemic. Of the remaining two species, Delarbrea paradoxa subsp. paradoxa is found in the Lesser Sunda Islands, Maluku Islands, New Guinea, the Solomon Islands (archipelago) and Vanuatu as well as New Caledonia, while Delarbrea michieana is

The Lophiocarpaceae are a family of flowering plants comprising mostly succulent subshrubs and herbaceous species native to tropical to southern sub-Saharan Africa to western India. It includes the genera Corbichonia and Lophiocarpus. The family is newly recognized through research by the Angiosperm Phylogeny Group III system to deal with long-standing phylogenetic difficulties in placing various genera within the Caryophyllales.

Centroplacaceae is a family of flowering plants in the order Malpighiales and is recognized by the APG III system of classification. The family comprises two genera: Bhesa, which was formerly recognized in the Celastraceae, and Centroplacus, which was formerly recognized in the Euphorbiaceae, together comprising six species. The Angiosperm Phylogeny Group determined that based on previous phylogenetic analysis, these two genera formed an isolated clade and recognition of the family was "reasonable."

Saccolomataceae is a family of ferns in the order Polypodiales with about 19 species. It has been formerly treated as part of the Dennstaedtiaceae, however it has been classified as its own family according to Smith et al. (2006) The genus Saccoloma has been classified to include Orthiopteris, but the phylogeny of the group not yet fully understood. The family includes a dozen known species.

The Dicranidae are a widespread and diverse subclass of mosses in class Bryopsida, with many species of dry or disturbed areas. They are distinguished by their spores; the peristome teeth are haplolepidous with a 4:2:3 formula, and an exostome is absent.

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Polytrichaceae is a common family of mosses. Members of this family tend to be larger than other mosses, with the larger species occurring in particularly moist habitats. The leaves have specialized sheaths at the base and a midrib that bears photosynthetic lamellae on the upper surface. These mosses are capable of sustaining high rates of photosynthesis in the presence of ample light and moisture. Unlike all other mosses, the hydroid-based vascular system of these mosses is continuous from stem to leaf and can extract water from the soil through transpiration. Species in this group are

Cochemiea dioica, also called the strawberry cactus, California fishhook cactus, strawberry pincushion or fishhook cactus, is a cactus species of the genus Cochemiea. Its common name in Spanish is biznaga llavina.

Cochemiea barbata is a small cactus native to Chihuahua, Sonora, and Durango, with the common name greenflower nipple cactus.

Stixaceae is a family in the plant order Brassicales. It is no longer recognised by most taxonomists. The three genera formerly included in Stixaceae — Forchhammeria, Stixis and Tirania — have sometimes been placed instead in the Capparaceae, but it is now clear that they do not belong there. It is unknown where they do belong though, so currently they are unplaced at family rank. In the APG IV system, the genera comprising Stixaceae are included in the family Resedaceae.

Cochemiea saboae is a species of Cochemiea found in Mexico.

Cochemiea capensis is a species of Cochemiea found in Mexico.

Picramniaceae is a small, mainly neotropical family of four genera Aenigmanu, Alvaradoa, Nothotalisia and Picramnia. The family is the only member of the order Picramniales. Members of the family were formerly placed in the family Simaroubaceae or misidentified as species in the family Sapindaceae, in the order Sapindales. The most recent standard classification of the Angiosperms (the APG III system) distinguishes it as a separate family and order. It belongs to the malvids (eurosids II), one of the three groups that constitute the rosids. Four genera are accepted: Aenigmanu W.W.Thomas – 1

Kadenicarpus pseudomacrochele, synonym Turbinicarpus pseudomacrochele, is a species of plant in the family Cactaceae. It is an endangered species, threatened by habitat loss.

Deamia chontalensis is a species of flowering plant in the family Cactaceae, native to southwestern Mexico and Guatemala. It has sprawling or pendent branched stems and fragrant white flowers.

Cochemiea phitauiana is a species of Cochemiea found in Mexico.

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Cochemiea sheldonii is a species of cactus found in Arizona and Mexico.

Airampoa erectoclada is a species of Airampoa found in Argentina

Airampoa corrugata is a species of Airampoa found in Argentina.

The Pteridales were an order of ferns that have their sori in linear strips under the edge of the leaf tissue, usually with the edge of the lamina reflexed over. This order was reduced to the family Pteridaceae under the Smith classification of 2006, a position maintained in the Pteridophyte Phylogeny Group classification of 2016 (PPG I).

Vahlia is a genus of herbs and subshrubs that are native to Africa, the Arabian Peninsula and the Indian subcontinent. It contains described five species. The genus is placed alone in family Vahliaceae. This family had previously been placed in the order Saxifragales, and was reassigned to the new order Vahliales in 2016 by the APG IV system.

Kadenicarpus is a genus of flowering plants belonging to the family Cactaceae. It is native to eastern Mexico. It has been synonymized with Turbinicarpus but molecular phylogenetic studies have supported its monophyly and separation from that genus.

Cochemiea wrightii is a species of Cochemiea found in Mexico and the southern United States.

Cochemiea theresae is a species of cactus in the subfamily Cactoideae.

Cochemiea grahamii is a species of cactus also known by the names Arizona fishhook cactus and Graham's nipple cactus.

Buxbaumia (bug moss, bug-on-a-stick, humpbacked elves, or elf-cap moss) is a genus of twelve species of moss (Bryophyta). It was first named in 1742 by Albrecht von Haller and later brought into modern botanical nomenclature in 1801 by Johann Hedwig to commemorate Johann Christian Buxbaum, a German physician and botanist who discovered the moss in 1712 at the mouth of the Volga River. The moss is microscopic for most of its existence, and plants are noticeable only after they begin to produce their reproductive structures. The asymmetrical spore capsule has a distinctive shape and structure,