Results 51 to 60 of about 140,590 (312)
The new combination Solenogyne christensenii (Petrie) de Lange, Jian Wang ter & Barkla comb. nov. is validated for a New Zealand species originally published as Abrotanella christensenii Petrie.
de Lange P.J. +3 more
doaj +1 more source
COMPARATIVE MORPHOLOGICAL STUDIES ON ACHENE OF SOME TAXA OF ASTERACEAE [PDF]
Morphological structure and different characters of achene is most important from the taxonomic point of view. In present study achene shape, colour, size, texture and pappus type were recorded for 20 taxa of Asteraceae by using light microscope (LM) and
Dalia G.I. Gabr
doaj +1 more source
First record of naturalization of Erechtites hieraciifolius (L.) Raf. ex DC. (Asteraceae) in Italy
The plant species Erechtites hieraciifolius (Asteraceae) is here reported for the first time in Italy as a naturalized neophyte in the Classical Karst. The species was observed in 2023 in post-fire forest areas burnt by wildfires in the summer 2022. The
Giacomo Trotta +4 more
doaj +1 more source
Aphids associated with shrubs, herbaceous plants and crops in the Maltese Archipelago (Hemiptera, Aphidoidea) [PDF]
A survey of the aphids associated with Maltese shrubs, herbaceous plants and crops was carried out. Sixty six aphid species were recorded from more than 90 species of host plants.
Azzopardi, Erika +6 more
core
Chemical Characterization and Allelopathic Effects of Ambrosia psilostachya (Asteraceae)
ABSTRACT Ambrosia spp. have been introduced and distributed across different continents as an invasive alien plant species. The present study aimed to identify the chemical components of essential oil isolated from different parts of Ambrosia psilostachya and evaluate the phytotoxic effect of its aqueous extracts on the growth parameters of Phaseolus ...
Hesan Saberi +5 more
wiley +1 more source
New records of Tephritidae (Diptera) from Great Smoky Mountains National Park - 2 [PDF]
Thirty additional species of tephritid flies (Diptera: Tephritidae) from Great Smoky Mountains National Park (GSMNP), including historical records, are presented together with information on host(s), if known, distributions, and life histories.
Defoe, Don +2 more
core +1 more source
The phylogenetic distance among species in a community (community phylogenetic structure) has been used to infer deterministic and stochastic assembly processes, albeit with criticisms. The effect of phylogenetic scale (old versus young lineages) and spatial scale on measures of CPS are rarely tested simultaneously, especially in the boreal biome, yet ...
Angelo D. Armijos Carrion +6 more
wiley +1 more source
Evaluation of Selected Ornamental Asteraceae as a Pollen Source for Urban Bees
Offering more floral resources for urban bees can be achieved by growing ornamental bee plants. The aim of the present study was to evaluate selected Asteraceae (Calendula officinalis ‘Persimmon Beauty’ and ‘Santana’, Centaurea macrocephala, Cosmos ...
Wróblewska Anna +2 more
doaj +1 more source
Darwin and the plants of the Galapagos-Islands [PDF]
During his five year sea voyage with the “Beagle”, Darwin, at the suggestion of the botanist J.S. Henslow, collected more than 1400 vascular plants, and more than 200 of them alone during his short stay on the Galápagos Islands.
Stöcklin, Jürg
core
Inheritance of disc flower color in Helianthus petiolaris [PDF]
Disc flowers of Helianthus petiolaris (Asteraceae) are usually purple reddue to anthocyanin pigments in corolla lobes, style and stigma. However, yellow-flowered plants are occasionally found.
Delucchi, C. +2 more
core +1 more source

