Results 41 to 50 of about 3,863 (143)

The beetle fauna of Dominica, Lesser Antilles (Insecta: Coleoptera) : diversity and distribution [PDF]

open access: yes, 2006
The beetle fauna of the island of Dominica is summarized. It is presently known to contain 269 genera, and 361 species (in 42 families), of which 347 are named at a species level. Of these, 62 species are endemic to the island.
Peck, Stewart B.
core   +1 more source

Effects of elevation and microclimatic temperatures on butterfly–flower interaction networks in a Mediterranean mountain range

open access: yesInsect Conservation and Diversity, Volume 19, Issue 1, Page 93-105, January 2026.
We tested how elevation and microclimate influenced butterfly–flower interaction networks at the hottest time of year in a Mediterranean mountain range. Interactions were dominated at all sites by one or two abundant butterfly and flower species, but butterfly networks were more robust to plant species loss at higher elevations. Nectar availability may
Mario Álamo   +3 more
wiley   +1 more source

Annona muricata (graviola): toxic or therapeutic [PDF]

open access: yes, 2008
This paper examines annona muricata (graviola): toxic or ...
Gray, A.I.   +7 more
core  

Strip Crops and Intercrops Outperform Crop Rotations for Weed Management Under Conservation Agriculture in Zimbabwe

open access: yesWeed Research, Volume 66, Issue 1, January/February 2026.
ABSTRACT High weed infestation remains a major constraint on crop productivity for smallholder farmers practising Conservation Agriculture (CA). Fewer, more diverse weeds are desirable to reduce competition and provide ecosystem services. Crop diversification can help, but it is not yet clear which species combinations and layouts are most effective ...
Betty Rutendo Masamba   +4 more
wiley   +1 more source

Commodity risk assessment of Petunia spp. and Calibrachoa spp. unrooted cuttings from Uganda

open access: yesEFSA Journal, Volume 24, Issue 1, January 2026.
Abstract The European Commission requested the EFSA Panel on Plant Health to evaluate the likelihood of pest freedom at entry in the EU, including both regulated and non‐regulated pests, potentially associated with unrooted cuttings of the genera Petunia and Calibrachoa produced under physical isolation in Uganda.
EFSA Panel on Plant Health (PLH)   +34 more
wiley   +1 more source

Medicinal Plant Resources of Puttaparthi Mandal: Taxonomic Overview and Need for Conservation [PDF]

open access: yes, 2009
Puttaparthi Mandal is situated to the south of Anantapur town in the Sri Sathya Sai taluk of Anantapur district, Andhra Pradesh, India. A broad taxonomic overview of the medicinal flora of Puttaparthi Mandal is presented herein – 185 medicinal plant ...
Basavaraju, R.   +2 more
core   +1 more source

A Phylogenetic Classification of Polemoniaceae [PDF]

open access: yes, 2000
Three hundred seventy nine species of Polemoniaceae are arranged in a phylogenetic classification composed of three subfamilies, eight tribes, and 26 genera. Nomenclature of one tribe is clarified and the circumscription of several tribes differs greatly
Johnson, Leigh A., Porter, J. Mark
core   +3 more sources

Chemical Composition, Antioxidant, and Antibacterial Activities of Mezilaurus duckei (Lauraceae)

open access: yesChemistry &Biodiversity, Volume 22, Issue 12, December 2025.
ABSTRACT Mezilaurus duckei, a Brazilian endemic tree species found exclusively in the Amazon Rainforest, is primarily exploited for timber in construction. Due to its endangered status, this study aimed to investigate the chemical profile and biological properties of the ethanolic extract and its phases derived from M. duckei leaves. Chemical profiling
Bruna S. Moroto   +7 more
wiley   +1 more source

Harnessing Nature: Computational and Experimental Insights Into Ipomoea obscura Metabolites for Bladder Cancer Therapy

open access: yesChemistry &Biodiversity, Volume 22, Issue 12, December 2025.
ABSTRACT Ipomoea obscura (L.), a medicinal plant from the Convolvulaceae family, has been traditionally used to treat various ailments. This study evaluated the in vitro cytotoxicity of its ethanolic leaf extract against human bladder cancer T24 cells and investigated its phytochemical constituents through computational methods.
Saravana Prabha Poochi   +8 more
wiley   +1 more source

Invasive alien plants in China: diversity and ecological insights [PDF]

open access: yes, 2018
China's current invasive alien plant species were analyzed with regard to their floristic status, biological attributes and invasion status elsewhere. Most of the 270 species identified were annuals, followed by perennial herbs.
Li, Bo, Sun, Shi-Guo, Weber, Ewald
core  

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