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Through detailed morphological comparison and robust molecular evidence, we confirm Neillia daloushanensis M.T.An & Xu Wu as a new species of Rosaceae from Guizhou province, south…

Berberis jiuzhaigouensis is herein described as a new deciduous species endemic to riparian habitats in Jiuzhaigou, northern Sichuan, China. Phylogenetic analyses based on complet…

A new species in Athyriaceae, Diplazium clivicolum (section Anisogonium) is described and illustrated from southern Yunnan, China. Diplazium clivicolum exhibits the greatest morph…

Based on morphological comparisons, literature reviews, and molecular systematic studies, a new species from South Vietnam, Metapetrocosmea navicularis F.Wen, T.V.Do, Z.B.Xin & K.…

During the filmy fern (Hymenophyllaceae) diversity study in Thailand, the genus Didymoglossum was investigated using morphological data and molecular phylogenetic analyses of the …

Sinojohnstonia henanensis, a new species from the Muzhaling Scenic Area in Henan Province, China, is described and illustrated. It is morphologically similar to S. chekiangensis a…

In 2016, systematic studies of the tribe Loxocarpinae A.DC. supported the establishment of the new genus Middletonia C. Puglisi. This study was based on inference and parsimony an…

A new species of Derris Lour. (Fabaceae), Derris longiracemosa Boonprajan & Sirich., sp. nov., is described as the species bearing the longest inflorescences recorded in the genus…

A new species of Nototriche (Malvaceae, Malvoideae) growing in the high Andes of Ecuador is described. Nototriche antisanensis E.J.Trujillo, Muriel, Espinel-Ortiz & Romol. is a cu…

Desmochaeta (now Cyathula) achyranthoides was described from South America and reported to be a widespread tropical plant in both Africa and the Americas. A revision of herbarium …

The genus Cistanche is the subject of considerable taxonomic confusion due to reduced morphology, poor preservation in herbaria, and misidentification. Here we re-examine the Cist…

The Juglandaceae species Pterocarya serrata C.K.Schneid. was first described in 1912, but its assumed holotype, a flowering E. H. Wilson collection in the Vienna herbarium, was de…

Petrocodon parviflorus, a new species of Gesneriaceae, is a typically cave-dwelling species from the limestone region in Guangxi, China. Morphologically, this new species resemble…

The article describes the morphological and anatomical features of Gagea khassanovii Levichev, Turginov & W.J.Li, sp. nov., recently described from the Fergana Valley. The species…

The genus Epipyxis, belonging to the family Dinobryaceae, has been documented to have only sporadic occurrences in freshwater habitats. However, the species diversity of this genu…

Impatiens meishanensis K.Huang & Z.X.Fu, sp. nov., a new species of Balsaminaceae from Meishan City, Sichuan Province, China, is described and illustrated. The complete chloroplas…

The native species of Callianthe Donnell (Malvaceae, Malvoideae) in northern South America (Colombia, Venezuela, the Guianas and adjacent Brazil) are reviewed. Five species are re…

Justicia tiandengensis (Acanthaceae), a new species from a karst cave in southwestern Guangxi, China, is described and illustrated based on morphological and molecular evidence. T…

A new species, Ardisia dahoaiensis (Subgenus Tinus), is described from Lam Dong Province in the Central Highlands of Vietnam. Additionally, two taxa from the subgenus Bladhia of A…

Carpinus wenshanensis Xiaolong Zhou, a newly discovered hornbeam species endemic to Wenshan Prefecture in southeast Yunnan, China, is described and illustrated. This study employs…

Primula jiangyouensis J.L.Gu & Z.K.Wu, a new species of Primulaceae from Sichuan, China, is described and illustrated. Morphological evidence supports P. jiangyouensis as a member…

Recent research towards a revision of Neotropical Mendoncia has confirmed the existence of a new species growing in the semideciduous seasonal forest (mata de planalto) component …

Gracilariopsis grevogerungii G.H.Boo & I.K.Hwang, sp. nov., a new species from southern Indonesia, is described based on morphological features and molecular data from two genes: …

A new species, Adesmia ephedroides, discovered in a restricted area of the coastal mountain range within the Valparaíso Region, Chile, is here described. Molecular phylogenetic an…

Paraphlomis anisochila, a new species from the subtropical evergreen broad-leaved forests of Hunan Province, southern China, is described and illustrated. Morphological comparison…

Wenchengia wui, a remarkable new species of Wenchengia endemic to a dry mountaintop meadow of Sanya City, Hainan Province, southern China, is described and illustrated. The new sp…

A new legume species, Vicia liupanshanensis, discovered in the southern Ningxia Hui Autonomous Region and central Gansu Province of northwestern China, is described and illustrate…

Melocalamus is a genus of paleotropical woody bamboos distributed in Southeast Asia, characterised by its complex taxonomic history. Currently, the taxonomic status of several spe…

Synotis lhozhagensis, a new species belonging to Senecioneae (Asteraceae), is described and illustrated herein after being discovered during biodiversity surveys in Lhozhag County…

A taxonomic study of the genus Pycnolejeunea in Thailand is presented, based on herbarium specimens and new collections from field surveys. Three species are recognised including …

A new species, Cyphocarpus perennis sp. nov., endemic to the Andes of the Atacama Desert of Chile is here described. Based on new nrDNA ITS sequence data, phylogenetic analyses pl…

Stellaria yabulaiensis (Caryophyllaceae), a new species from Inner Mongolia, China, is described and depicted with photographic illustrations. It is similar to S. bistyla, from wh…

Four new species of monoraphid diatoms belonging to the genus Planothidium were studied and described from the karst region of Guizhou Province, China. The morphological character…

Justicia L. is the most species-rich genus of Acanthaceae in Peru and is here accepted in its broader traditional circumscription. The present paper marks a preliminary step towar…

Favratia zoysii (Wulfen) Feer is a chasmophyte endemic to the south-eastern Alps and the sole representative of the genus Favratia Feer. Its primary occurrences are in Julian Alps…

Fargesia nana (Bambusoideae), a new bamboo species is described and illustrated from Wuding County, Yunnan, China. Based on careful comparison of morphological features and molecu…

In this study, we describe a new diatom, Navicula congqiancuoensis sp. nov., which was found in epilithon samples collected from a small mountain lake, at Lake Congqiancuo, Sichua…

A new endemic species of Geniostoma from Kaua‘i, Hawaiian Islands, is described and illustrated with notes on its distribution, ecology, conservation status, and relationships to …

Aster mayangheense Z.Li (Asteraceae, Astereae), a new species from Guizhou, China, is described and illustrated here. Morphological and molecular analyses based on nuclear ribosom…

Primulina aureipurpurea, endemic to the limestone area in Dahua County, Guangxi Zhuang Autonomous Region, China, is described and illustrated here. This species is distinguished f…

The megagenus Erica L. (Ericaceae) comprises 851 species across its global distribution, with an extraordinary focus of diversity in the Cape Floristic Region (CFR) of South Afric…

Arundinella mainlingensis (Poaceae), a new species from Xizang, China is described and illustrated. This new species forms a sister group relationship with A. yunnanensis on the m…

Based on a comprehensive analysis of type materials, protologues, herbarium specimens, and field observations, this study clarifies the taxonomic status of Silene dawoensis and re…

The species Tarenna pendula (Rubiaceae), a small shrub, is newly described and illustrated from southwestern Guangxi Autonomous Region, China. This species is similar to Tarenna t…

Hiptage (Malpighiaceae) is a genus almost exclusively native to Asia, with a single species, Hiptage benghalensis, being a noxious invasive plant in several areas of the world and…

Three new species of Pleurothallis, each exhibiting prolific vegetative growth, are described from Costa Rica and western Panama. Prolification refers to the development of a vege…

Camellia harbors unique diversity along Sino-Vietnamese border. Some species of them are under threat due to human activity. Camellia hekouensis, a native of Hekou, Yunnan, China,…

Erythrotrichia (Erythropeltales, Rhodophyta) is a group of widely distributed marine epiphytic algae. With the advancement of molecular biology in recent years, the classification…

Based on findings of revisionary studies of Neotropical Rinorea, we propose several taxonomic novelties and clarifications in this study, including the description of three new sp…

The new taxon, Primula longipes subsp. bayburtensis Sefali, Yapar & Demir, subsp. nov. (Primulaceae) is described and illustrated from Bayburt Province, Türkiye. It is morphologic…