Works on Botany, Ecology, and Taxonomy Studies

Licaria ramiroi, a species endemic to western Mexico, is described and illustrated. The ascription of the new species to Licaria is analysed. It is classified in the subgen. Licar…

Three new species of Polycarpaea, Polycarpaea barbellata, P. ebracteata and P. psammophila, are described from the Palakkad district of Kerala, India. The new species are allied t…

Calamagrostis nagarum, previously considered to be a poorly known species, has been reassessed taxonomically. It is a member of C. lahulensis-C. scabrescens complex and may be seg…

Here, we describe and illustrate Encelia balandra sp. nov., a new species of Compositae from the Baja California Peninsula. It is rare and known only from the rocky hills around P…

We present a monograph of the high Andean tree genus Polylepis (Rosaceae), based on a species concept considering morphological, climatic and biogeographic distinctness as indicat…

A new genus, Doselia A.Orejuela & Särkinen, gen. nov., is described in the tribe Solandreae (Solanaceae) consisting of four species of hemiepiphytic lianas endemic to the premonta…

In an earlier molecular phylogenetic study, a sample of what was originally identified as Cryptantha hispida (Boraginaceae) from Chile, grouped with species of the genus Johnstone…

Hemilophia cardiocarpa (Brassicaceae), the sixth species of the Chinese endemic genus Hemilophia, is described and illustrated. This plant is found in the Jiaozishan Mountains in …

Townsendia lemhiensis (Asteraceae) is described from the Lemhi Valley of east-central Idaho. From a genus with weak intrinsic isolating barriers, T. lemhiensis remains distinct ap…

The species Valeriana praecipitis (Caprifoliaceae), new to science and endemic to the Ñuble Region, Central Chile, is formally described. Morphological data support its placement …

Our field surveys and specimen examination of Carex from southern to south-western regions in China resulted in the discovery of five new species and one new variety, which are he…

Carex malipoensis, a new species from southeast Yunnan, China, is here described and illustrated. It is morphologically similar to C. trichophylla in sect. Euprepes, but differs f…

Lappula sinaica was recently transferred to the monotypic genus Pseudolappula based on phylogenetic studies, while the related species, L. occultata, has remained in the genus Lap…

The diversity of Cranichis in Bolivia is evaluated. An updated key for identifying species is provided. Morphological characteristics of 15 species of Bolivian Cranichis are prese…

Perrottetia taronensis from the Dulong Jiang valley in northwestern Yunnan Province, China and the Babulongtan mountain range in northern Kachin State, Myanmar is here described a…

Three new species of Lepanthes from Ecuador are described and illustrated. These additions to the Ecuadorean flora were recorded in evergreen montane forest and páramo as part of …

Martinella Baill. is a genus of Neotropical lianas in tribe Bignonieae (Bignoniaceae). The genus is monophyletic and well supported by morphological and molecular characters. Memb…

Lycianthes, the third most species-rich genus in the Solanaceae, is distributed in both the New and Old Worlds and is especially diverse in Mexico. Here we provide an identificati…

Ophryosporus Meyen is reviewed for Chile and an updated species list for the country based on herbarium records and literature review is presented. A key to the Chilean species is…

The Andean genus Xenophyllum (Compositae, Senecioneae) is distributed along the high-Andes from northeastern Colombia to northern Chile and northwestern Argentina, mainly thriving…

Although the original description of Solanum polyphyllum Phil. was made in 1891, this species was not seen until it was re-discovered 128 years later in 2019 in the Atacama Desert…

We present a taxonomic synopsis of the South American genus Schizanthus Ruiz & Pav. (Solanaceae), within which we recognise seventeen taxa (14 species with three infraspecific tax…

Senecio festucoides is described from northern Chile. The new species is morphologically similar to the discoid caespitose Andean species and belongs to the subgroup displaying ye…

Onosma fuyunensis, a new species of Boraginaceae from northern Xinjiang, China, is described and illustrated here. Onosma fuyunensis is similar to O. simplicissima and O. gmelinii…

Victoria Island in Canada’s western Arctic is the eighth largest island in the world and the second largest in Canada. Here, we report the results of a floristic study of vascular…

A new species from the Northern Peruvian Andes (Cajamarca department), Drymaria veliziae sp. nov., is proposed in the present paper. It grows in the high-elevation montane grassla…

Two new species of Xenophyllum are described from the Andes, X. funkianum sp. nov. from Ecuador and X. lorochaqui sp. nov. from northwestern Argentina. Both species are compared w…

A monograph of Curarea, a neotropical genus in the plant family Menispermaceae, is presented. Curarea is distinguished from related genera by the combination of staminate flowers …

The new species Chiococca grandiflora Lorence & T.Van Devender from Sinaloa and Sonora, Mexico differs from its congeners by its larger, showy white flowers in compact cymes of 3–…

This study was conducted in the Prof. Dr. Karl Arens Reserve, Corumbataí, São Paulo. The area is a Cerrado fragment, with no records of fire since 1962 and is characterised by the…

Knowledge of Carex L. (true sedges) and Hypericum L. (St. John's wort) in the Neotropics is fragmentary.As a result of a fieldwork campaign in Ecuador and revision of herbarium co…

The non-native vascular plants of Murmansk Region (European Russia) are under active investigation towards the compilation of the first complete checklist. This work is part of th…

The digitization of historical collections aims to increase global access to scientific artifacts, especially those from currently inaccessible areas. Historical collections from …

A previously unrecorded native species, Scirpus radicans (Cyperaceae), was discovered in the southern part of Lithuania in 2020. Although this species has a large distribution are…

The Mars Desert Research Station (MDRS) is a Mars-simulation campus set in a Martian planetary analogue in southern Utah. Despite a long history of astrobiology research, collecti…

The taxonomy of perennial Sesuvium species in Africa has been poorly investigated until now. Previously five perennial species of Sesuvium were recognised in Africa (S. congense, …

Navarretia divaricata, endemic to western North America and most recently considered a single species with two subspecies, was re-examined in light of field work, DNA sequences, c…

In this paper, we describe two endemic tree species of Pisonia (Caryophyllales: Nyctaginaceae) from Puerto Rico that were erroneously catalogued under the single name Pisonia subc…

Taxonomic notes in the Neotropical genus Pseudobombax (Malvaceae) are presented. One new combination and two new heterotypic synonyms for taxa originally described from Brazil and…

The Solanum elaeagnifolium clade (Elaeagnifolium clade) contains five species of small, often rhizomatous, shrubs from deserts and dry forests in North and South America. Members …

Sabulina basaltica and Sabulina sororia (Caryophyllaceae) are described as new species endemic to Washington State, U.S.A. Sabulina basaltica is restricted to high-elevation, basa…

Occurrences of the invasive plant species Heracleum sosnowskyi Manden. in the Komi Republic (northeastern part of European Russia) were recorded and published in the Global Biodiv…

A new species of Espeletia from the Páramo de Presidente in northeastern Colombia is described. The species is named Espeletia praesidentis after the name of the páramo, and it is…

Recent taxonomic treatments of the genus Harpagonella have included only one lower taxon, H. palmeri A. Gray. However, a larger-fruited variety of H. palmeri from Arizona and Sono…

A new species, Cephalaria anamurensis (Caprifoliaceae) is described and illustrated from south Anatolia, Turkey. The species grows on steppe and stony places in Anamur (C4 Mersin …

Penstemon luculentus R.L.Johnson & M.R.Stevens, nom. nov. replaces Penstemon fremontii var. glabrescens Dorn & Lichvar. The varietal name glabrescens was not elevated because it w…

A new species of Lachemilla (Rosaceae), Lachemilla mexiquense D.F. Morales-B., from Mexico is described and illustrated. This species is similar to Lachemilla aphanoides by its tr…

A rarely reported taxon, the microscopic green alga Pachycladella, was found in a pond in Connecticut. Due to an unresolved taxonomic debate within the genus, the species-level id…

A new species of Adiantum is described from California. This species is endemic to northern California and is currently known only from Shasta County. We describe its discovery af…

A global revision of Convolvulus L. is presented, Calystegia R.Br. being excluded on pragmatic grounds. One hundred and ninety species are recognised with the greatest diversity i…