Results 71 to 80 of about 11,544 (211)

Four rural cemeteries in central western NSW: Islands of Australiana in a European sea? [PDF]

open access: yes, 2013
Vascular plants present in groundstoreys of variously–managed areas in four cemeteries in central western NSW – two on the Central Western Slopes (Garra and Toogong) and two on the Central Tablelands (Lyndhurst and Carcoar) – were recorded over periods ...
Cole, Ian A.   +3 more
core  

Ant‐mediated seed dispersal in the Poaceae: Evidence of myrmecochory in green foxtail (Setaria viridis) and giant foxtail (Setaria faberi)

open access: yesPlant Species Biology, Volume 41, Issue 1, January 2026.
Model systems have been developed for certain mutualistic interactions, such as pollination, root nodules, and mycorrhizal symbiosis, advancing our understanding of these forms of mutualism. However, in the area of seed dispersal mutualism, a model system has been lacking. Here, we provide evidence of ant‐seed dispersal mutualism in Setaria viridis and
Ayaka Kimura   +3 more
wiley   +1 more source

A Revision of the African Species of Epilobium

open access: yesBothalia: African Biodiversity & Conservation, 1967
There are in Africa 10 native species of Epilobium, one of Circaea, and between 8 and 12 of Ludwigia (including  Jussiaea), depending upon how many species are considered native. These three genera include all native African species of Onagraceae.
Peter H Raven
doaj   +1 more source

CHROMOSOME TRANSLOCATIONS INGAYOPHYTUM(ONAGRACEAE) [PDF]

open access: yesEvolution, 1969
Gayophytum, a small genus of nine species endemic to western North and South America, has a basic chromosome number of 7 (Lewis and Szweykowski, 1964). Three of the diploid species, G. eriospermum, G. keterozygum, and G. oligospermum are morphologically very similar and indistinguishable on the basis of habit or other vegetative characteristics.
openaire   +2 more sources

Cover Crops and Flower Strip Plants as Potential Hosts for Sugar Beet‐Infecting Virus Yellows Species and Their Attractiveness to the Vector Myzus persicae

open access: yesPlant Pathology, Volume 75, Issue 1, January/February 2026.
Several common cover crops and flower strip plants are susceptible to BMYV, while susceptibility and attractiveness to Myzus persicae vary widely. These plants may act as virus reservoirs, emphasising the need to prevent green bridges. ABSTRACT Virus yellows (VY), caused by beet chlorosis virus (BChV), beet mild yellowing virus (BMYV) and beet yellows ...
Simon Borgolte, Mark Varrelmann
wiley   +1 more source

Application of multi-shoots cultures in micropropagation of willow herb (Chamaenerion angustifolium (L.) Scop.)

open access: yesHerba Polonica, 2016
Introduction: Willow herb (Chamaenerion angustifolium (L.) Scop. syn. Epilobium angustifolium L. from Onagraceae family is a valuable medicinal plant that has been used in the treatment of urogenital disorders including BPH (Benign Prostatic Hypertrophy).
Dreger Mariola   +4 more
doaj   +1 more source

Differentiation of the Climatic Niches of the Invasive Oenothera l.(Subsect. Oenothera, Onagraceae) Species in the Eastern Europe [PDF]

open access: yes, 2014
This paper is concerned with the study of differentiation of the climatic niches of the North-American Oenothera L. (Onagraceae) that are invasive to the Eastern Europe y means of the Canonical Correspondence Analysis.
Groshenko, S. A., Tokhtar, V.
core  

Adaptability of Scanning Electron Microscopy to Studies of Pollen Morphology [PDF]

open access: yes, 1988
We have explored methods to achieve excellent results in study of the pollen grain wall by using only one electron microscope, the scanning electron microscope (SEM).
Chissoe, William F.   +2 more
core   +3 more sources

Plantas invasoras de várzea no estado de São Paulo

open access: yesPlanta Daninha, 1980
As plantas invasoras que ocorrem em uma determinada cultura, constituem sério problema, tendo em vista a concorrência em água, luz e nutrientes que promove com a planta cultivada, determinando uma sensível queda da produtividade da lavoura.
C. Aranha   +2 more
doaj   +1 more source

Population dynamics of \u3cem\u3eLudwigia leptocarpa\u3c/em\u3e (Onagraceae) and some factors affecting size hierarchies in a natural population [PDF]

open access: yes, 1984
Germination cohorts of Ludwigia leptocarpa, a semi-aquatic annual plant were marked in the field at time of establishment and followed through the 1981 and 1982 growing seasons at a site in southern South Carolina. Data from each cohort were pooled to
Dolan, Rebecca W., Sharitz, Rebecca R.
core   +1 more source

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