Results 51 to 60 of about 1,562 (132)

Morphology of Hydatellaceae, an anomalous aquatic family recently recognized as an early-divergent angiosperm lineage [PDF]

open access: yes, 2007
© 2007 Botanical Society of America, Inc.The family Hydatellaceae was recently reassigned to the early-divergent angiosperm order Nymphaeales rather than the monocot order Poales.
Ambrose   +115 more
core   +1 more source

NEW AND LITTLE KNOWN SCALE INSECT SPECIES (HEMIPTERA: COCCOIDEA) IN TURKEY [PDF]

open access: yes, 2014
Scale insects (Hemiptera: Coccoidea) are notorious pests, especially of perennial plants. They are serious pests of fruit and nut trees, ornamental shade trees and shrubs, forest trees, greenhouse and indoor plantings. In the present study, new data are
Erkılıç, Lerzan   +2 more
core  

The invasion of plant communities following extreme weather events under ambient and elevated temperature [PDF]

open access: yes, 2012
Erworben im Rahmen der Schweizer Nationallizenzen (http://www.nationallizenzen.ch)Although the problem of plant invasions is expected to increase with climate change, there is as yet little experimental evidence, in particular, for the effects of extreme
Alexander, Jake M.   +2 more
core   +1 more source

Annotated checklist and identification keys of the Acalyphoideae (Euphorbiaceae) of Equatorial Guinea (Annobón, Bioko and Río Muni) [PDF]

open access: yes, 2013
This study provides a checklist of the Acalyphoideae (Euphorbiaceae) present in Equatorial Guinea, comprised of 18 genera and 49 taxa. Identification keys have been added for genera and species of the subfamily.
Aedo, Carlos   +2 more
core   +1 more source

The Immense Diversity of Floral Monosymmetry and Asymmetry Across Angiosperms [PDF]

open access: yes, 2018
Floral monosymmetry and asymmetry are traced through the angiosperm orders and families. Both are diverse and widespread in angiosperms. The systematic distribution of the different forms of monosymmetry and asymmetry indicates that both evolved numerous
Endress, Peter
core  

The beetle fauna of Dominica, Lesser Antilles (Insecta: Coleoptera) : diversity and distribution [PDF]

open access: yes, 2006
The beetle fauna of the island of Dominica is summarized. It is presently known to contain 269 genera, and 361 species (in 42 families), of which 347 are named at a species level. Of these, 62 species are endemic to the island.
Peck, Stewart B.
core   +1 more source

Fusion within and between whorls of floral organs in Galipeinae (Rutaceae): structural features and evolutionary implications [PDF]

open access: yes, 2017
Background and Aims Most genera of the neotropical Galipeinae (tribe Galipeeae, Rutoideae) exhibit several forms and degrees of fusion between the floral organs, including the union of petals into an apparently sympetalous corolla, the joining of the ...
El Ottra, Juliana Hanna Leite   +2 more
core  

Medicinal Flora of the Popoluca, Mexico: A botanical systematical perspective [PDF]

open access: yes, 2018
We studied the medicinal plants used by the Popoluca of the Sierra de Santa Marta (eastern Mexico). Using Moerman's method of regression analysis we determined which ethnomedically used taxa are over-represented in the Popolucan pharmacopoeia (e.g ...
Fernando, Ramirez   +3 more
core  

Commelinadanxiaensis (Commelinaceae), a new species from Guangdong, China. [PDF]

open access: yesPhytoKeys, 2023
Wang LY   +8 more
europepmc   +1 more source

A preliminary annotated checklist and evaluation of the diversity of the Chrysomelidae (Coleoptera) of the Baja California peninsula, Mexico [PDF]

open access: yes, 2005
A preliminary annotated checklist of the Chrysomelidae of the Baja California peninsula, Mexico is presented based on literature records and the examination of approximately 16,000 chrysomelid specimens.
Andrews, Fred G., Gilbert, Arthur J.
core   +1 more source

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