Results 81 to 90 of about 9,923 (191)

Catálogo das plantas vasculares citadas para a ilha de Santa Maria [PDF]

open access: yes, 2010
XIV Expedição Científica do Departamento de Biologia - Santa Maria 2009.Foi construído um catálogo das plantas vasculares citadas para a ilha de Santa Maria com base nas obras de síntese de Trelease (1897), Palhinha (1966), Franco (1971, 1984), Franco &
Cabral, Natália   +2 more
core  

Dry‐season grazing enhances native diversity in invaded oak woodlands

open access: yesEcological Solutions and Evidence, Volume 6, Issue 4, October–December 2025.
In invaded oak woodlands of California, grazing with small ruminants is an effective method for reducing fire risk by removing the accumulated thatch of invasive annual grasses. Grazing also benefits native plant diversity, leading to greater richness of native forb species.
Justin M. Valliere   +4 more
wiley   +1 more source

Evaluation of open-pollinated offspring in Cyclamen persicum using vegetative phenology models in a primitive breeding population

open access: yesOrnamental Horticulture, 2020
Cyclamen is commercially cultivated to produce the pot and garden flowering plants by sowing the seeds, and the number of leaves is an important trait for the beginning of the initiations of flower buds and flowering.
Seyedeh Somayyeh Shafiei Masouleh   +1 more
doaj   +1 more source

Bemerkenswerte Pflanzenvorkommen im Bochum-Herner Raum (Nordrhein-Westfalen) in den Jahren 2007 und 2008 [PDF]

open access: yes, 2012
Im Folgenden werden für den Bochum-Herner Raum bemerkenswerte Pflanzenfunde aus den Jahren 2007 und 2008 aufgeführt. In den ersten zwei Jahren des Bestehens des Bochumer Botanischen Vereins gab es noch kein Jahrbuch, sondern nur einen intern verteilten ...
Bochumer Botanischer Verein
core  

Adaptive plant traits under anthropogenic burning regimes: A database for UK heath and mire plant species

open access: yesAmerican Journal of Botany, Volume 112, Issue 10, October 2025.
Abstract Premise Humans have used fire to manage landscapes for millennia, but this use of fire is declining in many ecosystems. Understanding how plants respond to these changes is key to predicting ecosystem resilience and impacts on services such as biodiversity and carbon sequestration. However, many ecosystems lack data on plant fire responses.
Kimberley J. Simpson   +2 more
wiley   +1 more source

Ecological and Geographical distribution of species and genera of Primulaceae in Iraq

open access: yesمجلة بغداد للعلوم, 2014
The present research deal with ecological and geographical distribution of species and genera of Primulaceae in Iraq. The results were revealed that species distributed in the north , north-east and west of Iraq. Anagallis arvensis L.
Baghdad Science Journal
doaj   +1 more source

Flora argentina: novedades en Primulaceae

open access: yesBonplandia, 2003
Anagallis filiformis Cham. & Schltdl., especie no mencionada previamente para la Argentina,es citada, descripta e ilustrada. Se señala por primera vez A. arvensis L., ampliamenteextendida en la Argentina, para las provincias de Corrientes y Misiones.
Sara G. Tressens, Héctor A. Keller
openaire   +3 more sources

Decrease of sexual organ reciprocity between heterostylous primrose species, with possible functional and evolutionary implications [PDF]

open access: yes, 2017
Background and Aims Heterostyly is a floral polymorphism that has fascinated evolutionary biologists since Darwin's seminal studies on primroses. The main morphological characteristic of heterostyly is the reciprocal placement of anthers and stigmas in ...
Conti, Elena   +2 more
core  

The Analysis and Interpretation of Seedling Recruitment Curves [PDF]

open access: yes, 1993
We derive spatially explicit population models for the interaction between a species of annual plant and a community of perennial species. The models are used to explore the conditions for persistence of the annual in both a constant and a stochastic ...
Rees, M., Long, M.J.
core   +1 more source

Contributi alla flora vascolare di Toscana. VII (357-439) [PDF]

open access: yes, 2015
New localities and/or confirmations concerning 83 specific and subspecific plant taxa of Tuscan vascular flora, belonging to 71 genera and 33 families are presented: Carpobrotus (Aizoaceae), Alternanthera (Amaranthaceae), Leucojum (Amaryllidaceae ...
Angiolini, Claudia   +30 more
core   +1 more source

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