Results 21 to 30 of about 459,955 (342)

TUL Herbarium: collections of vascular plants of Tula Oblast, Russia [PDF]

open access: yesBiodiversity Data Journal, 2020
TUL Herbarium presents collections from Tula Oblast stored at the Tula State Lev Tolstoy Pedagogical University, which is an educational and scientific institution that supports various types of scientific activities including research on biodiversity ...
Tatyana Svetasheva, Alexey Seregin
doaj   +3 more sources

Plant specimens collected by the Scientific Commission to the Pacific (1862-1865). I. Canary Islands, Cape Verde, Brazil and Uruguay

open access: yesAnales del Jardín Botánico de Madrid, 2002
Plants from the MA herbarium, that were collected by the Scientific Commission to the Pacific expedition, have been studied. In the countries cited, 2899 samples, corresponding to 1070 numbers (602 taxa, 146 families), were collected.
Paloma Blanco   +2 more
doaj   +1 more source

Chenopodium ucrainicum (Chenopodiaceae / Amaranthaceae sensu APG), a new diploid species: a morphological description and pictorial guide

open access: yesUkrainian Botanical Journal, 2020
A morphological description is provided for Chenopodium ucrainicum Mosyakin & Mandák (Chenopodiaceae / Amaranthaceae sensu APG), a new species allied to C. suecicum and C. ficifolium.
Mosyakin S.L., Mandák B.
doaj   +1 more source

Knowledge practices in design: The role of visual representations as 'epistemic objects' [PDF]

open access: yes, 2009
We use a detailed study of the knowledge work around visual representations to draw attention to the multidimensional nature of `objects'. Objects are variously described in the literatures as relatively stable or in flux; as abstract or concrete; and as
Austin, Robert   +24 more
core   +1 more source

The History of UT's Herbaria [PDF]

open access: yes, 2017
Integrative ...
Elmer, Nicole
core   +1 more source

North Atlantic Oscillation seesaw effect in leaf morphological records from dwarf birch shrubs in Greenland and Finland

open access: yesPolar Research, 2021
The North Atlantic Oscillation (NAO) determines wind speed and direction, seasonal heat, moisture transport, storm tracks, cloudiness and sea-ice cover through atmospheric mass balance shifts between the Arctic and the subtropical Atlantic.
Fabian E.Z. Ercan   +4 more
doaj   +1 more source

Szulczewski’s Fungarium—A Collection of Fungi on Their Host Plants in the POZ Herbarium, Poznań, Poland

open access: yesDiversity
The fungarium was collected by Jerzy Wojciech Szulczewski in the Wielkopolska region in Western Poland in 1909–1911, 1928, and 1960–1966 (nine volumes). It includes dried plant specimens with disease symptoms of fungal origin and is currently located in ...
Elżbieta Zenkteler   +3 more
doaj   +1 more source

Des premières amours aux secondes

open access: yesArts et Savoirs, 2018
Though Ernst Haeckel was mostly known as a zoologist, he started off into science with botany. This aspect of his scientific biography has been largely underrated.
Jens Pahnke
doaj   +1 more source

Replacement of Cakile edentula with Cakile maritima in New South Wales and on Lord Howe Island [PDF]

open access: yes, 2013
Two species of Cakile (Brassicaceae) have been introduced to Australia and the genus has been a common feature on the beaches of NSW for over 130 years; Cakile edentula has been present for at least 148 years (in NSW since about 1870), while Cakile ...
Mills, Kevin
core   +1 more source

A new Australian species of Luffa (Cucurbitaceae) and typification of two Australian Cucumis names, all based on specimens collected by Ferdinand Mueller in 1856 [PDF]

open access: yes, 2011
As a result of his botanical explorations in northern Australia, Ferdinand von Mueller named several Cucurbitaceae that molecular data now show to be distinct, requiring their resurrection from unjustified synonymy.
Hanno Schaefer   +4 more
core   +3 more sources

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