Results 51 to 60 of about 8,891 (207)

Distribution, Abundance, Status, and Phytogeography of Log Ferns (Dryopteris: Woodsiaceae) in Arkansas [PDF]

open access: yes, 1988
A study of the distribution, abundance, status, and phytogeography of the six taxa of Log Ferns {Dryopteris: Woodsiaceae) that are known to occur in Arkansas was conducted from 1981 -1986. Five of these ferns are generally quite rare in Arkansas.
Peck, Carol J., Peck, James H.
core   +2 more sources

Vegetation-based landscape regions of Hungary. [PDF]

open access: yes, 2008
he first version of the map of the Hungarian vegetation-based landscape regions were prepared at the scale of 1 : 200,000 (1 km or higher resolution). The primary goal of the map was to provide an exact background for the presentation and evaluation of
A. Csathó   +30 more
core   +1 more source

Use and misuse of trait imputation in ecology: the problem of using out‐of‐context imputed values

open access: yesEcography, Volume 2025, Issue 6, June 2025.
Despite the progress in the measurement and accessibility of plant trait information, acquiring sufficiently complete data from enough species to answer broad‐scale questions in plant functional ecology and biogeography remains challenging. A common way to overcome this challenge is by imputation, or ‘gap‐filling' of trait values.
Lucas Damián Gorné   +28 more
wiley   +1 more source

Occurrence of Shorea Roxburgh ex C. F. Gaertner (Dipterocarpaceae) in the Neogene Siwalik forests of eastern Himalaya and its biogeography during the Cenozoic of Southeast Asia [PDF]

open access: yes, 2016
We report the occurrence of two leaf impressions and one leaf compression along with one winged fruit and two fruiting calyx lobes, resembling those of Shorea Roxburgh ex C. F.
Bera, Subir   +3 more
core   +1 more source

Orphan crops of archaeology‐based crop history research

open access: yesPLANTS, PEOPLE, PLANET, Volume 7, Issue 3, Page 562-589, May 2025.
Agrobiodiversity is central to sustainable farming worldwide. Cultivation, conservation and reintroduction of diverse plant species, including ‘forgotten’ and ‘underutilized’ crops, contribute to global agrobiodiversity, living ecosystems and sustainable food production.
Daniel Fuks   +23 more
wiley   +1 more source

Intensity of plant collecting in southern Africa

open access: yesBothalia: African Biodiversity & Conservation, 1984
The intensity of plant collecting in southern Africa is mapped using records from the Pretoria National Herbarium Computerized Information System (PRECIS), For the entire area, over 85% of the quarter degree grid squares have fewer than 100 specimens ...
G. E. Gibbs Russell, E. Retief, L. Smook
doaj   +1 more source

Contributions to the flora and vegetation of Binalood mountain range, NE Iran: Floristic and chorological studies in Fereizi region [PDF]

open access: yesJournal of Cell and Molecular Research, 2009
The mountainous area of Fereizi is located in northwestern Binalood range, Khorassan, north east of Iran. Special climatic and geographical characteristics of the area make it a suitable habitat for various plant species.
Farshid Mamariani   +3 more
doaj   +1 more source

Biodiversity and distribution of cyanobacteria at Dronning Maud Land, East Antartica [PDF]

open access: yes, 2008
Biodiversity and distribution of cyanobacteria at Dronning Maud Land, East Antarctica.The current study describes the biodiversity and distribution of cyanobacteria from the natural habitats of Schirmacher land, East Antarctica surveyed during 23rd ...
Singh, Purnima   +2 more
core   +4 more sources

Forgetting cane grasses: Switching temporal focus to reveal mosaics of Saccharum diversity

open access: yesPLANTS, PEOPLE, PLANET, Volume 7, Issue 3, Page 590-602, May 2025.
Sugarcane (Saccharum cvs.) is one of the most important cash crops globally. Related varieties and species of cane grasses of the genus Saccharum are also important subsistence crops in the Indo‐Pacific region. Despite the significance of these crops globally and recent advances in genetic characterisation, the histories and geographies of ...
Tim Denham
wiley   +1 more source

Checklist of plant species of the coastal fynbos and rocky head­lands, south of George, South Africa

open access: yesBothalia: African Biodiversity & Conservation, 2000
A checklist of vascular plants and cryptograms was compiled for the fynbos and rocky headland communities of the coastal region south of George The area studied is a 12 km stretch of steep sandstone cliffs forming alternating bays and headlands situated ...
J. E. Victor, D. B. Hoare, R. A. Lubke
doaj   +1 more source

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