Results 51 to 60 of about 1,554 (133)

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

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

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  

Anatomical study on Commelina diffusa burn F. and Commelina erecta L. (Commelinaceae) [PDF]

open access: yes, 2018
Commelina diffusa Burn. f. and Commelina erecta L. (Commelinaceae) are known from tropical and subtropical regions of the world. In the present work, the leaf epidermal characters, midrib and stem anatomy were studied in relation to their taxonomic ...
Agogbua, J.U., Ekeke, C
core   +2 more sources

Floristic changes in the Iberian Peninsula and Balearic Islands (south-west Europe) during the Cenozoic [PDF]

open access: yes, 2009
AIM  The aim of this work was to identify the main changes in the flora and vegetation of the Iberian Peninsula over the Cenozoic Era, to record the disappearance of taxa associated with these changes and to determine the influence of climate and human ...
Barrón López, Eduardo   +3 more
core   +2 more sources

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  

A transcontinental comparison of the diversity and composition of tropical forest understory herb assemblages [PDF]

open access: yes, 2018
Although tropical forests are renowned for their high plant diversity, to date there has been no global quantitative evaluation of the local species richness of terrestrial forest herbs in tropical forests.
Abrahamczyk, Stefan   +6 more
core  

From ‘Vagabonds’ to Ethnobotanical Relevance: Weeds of the Campus Sites of Olabisi Onabanjo University, Ago-Iwoye, Nigeria [PDF]

open access: yes, 2010
A survey of the weed flora of the campus sites of the Olabisi Onabanjo University was undertaken. Several visits were made to the disturbed and undisturbed vegetation of the sites for collection of weeds after which the weeds were prepared in accordance ...
Chukwuma, E. C.   +3 more
core   +1 more source

Análisis citogenéticos como herramienta para esclarecer la taxonomía del género Callisia Loefl. (Commelinaceae) [PDF]

open access: yes, 2015
Chromosome numbers, karyotypes and meiotic behaviour in 10 populations belonging to two species of Callisia Loefl. from NortheastArgentina have been studied. Callisia repens showed a basic number of x = 6 and that of C. monandra was x = 7.
Daviña, Julio R.   +2 more
core   +2 more sources

Lose the plot: cost-effective survey of the Peak Range, central Queensland [PDF]

open access: yes, 2013
The Peak Range (22˚ 28’ S; 147˚ 53’ E) is an archipelago of rocky peaks set in grassy basalt rolling-plains, east of Clermont in central Queensland. This report describes the flora and vegetation based on surveys of 26 peaks.
Butler, Don W., Fensham, Rod J.
core  

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