Results 81 to 90 of about 21,121 (308)

Vitex oreadica and V. umbellata (Lamiaceae): two new species from Cerrado and Atlantic forest of Brazil

open access: yesNordic Journal of Botany, EarlyView.
Vitex L. is a pantropical genus of Lamiaceae comprising 209 taxa. Brazil harbors 35 species, representing nearly 50% of the genus richness in the Neotropics, with the Amazon showing the highest richness, followed by the Atlantic Forest and Cerrado domains. Nevertheless, most taxonomic studies of the genus have been conducted in Africa and Asia.
Thaís Teixeira Conegiro   +2 more
wiley   +1 more source

Leaf micromorphology and genetic diversity analysis of Iranian Hordeum species using ISSR and SCoT markers

open access: yesNordic Journal of Botany, EarlyView.
The genus Hordeum (Poaceae), of the tribe Triticeae, comprises approximately 32 species with substantial potential for barley improvement. Hordeum vulgare is an economically important cereal widely cultivated across diverse environments, from the Arctic to desert and humid regions.
Maryam Keshavarzi   +2 more
wiley   +1 more source

Vascular flora of Serra do Japi Biological Reserve, Jundiaí, southeastern Brazil

open access: yesRodriguésia
Floristic sampling was carried out in Serra do Japi Biological Reserve, Jundiaí, state of São Paulo, Brazil, including physiognomies of semideciduous montane forest, a type of forest formation within the Atlantic Forest domain.
Julio Antonio Lombardi   +4 more
doaj   +1 more source

Tetraria triangularis (Boeck.) C.B. Clarke and the Cape fold archipelago : an analysis of genetic and morphological variation in a high-altitude species native to the moutains of the Cape floristic region

open access: yes, 2009
Includes bibliographical references (leaves 102-127).The Cape Floristic Region (CPR) is renowned for its high plant species richness and high floristic endemism (Marloth 1929, Takahatjan, 1986, Goldblatt and Manning 2000, Linder 2003).
Britton, Matthew Newton
core  

Cybianthus anthuriophyllus (Primulaceae), a new record for the flora of Colombia: distribution modeling and conservation assessment

open access: yesNordic Journal of Botany, EarlyView.
Cybianthus anthuriophyllus (Primulaceae) was previously known from eastern Ecuador and northern Peru. Here we document the first confirmed occurrences of this species in Colombia and develop a distribution model based on collections from the Andean–Amazonian foothills of Caquetá, Cauca, and Putumayo departments, in order to clarify its conservation ...
David Hoyos   +4 more
wiley   +1 more source

Floristic, vegetational and geographic characteristics of the Sierra de Chiconquiaco, Veracruz, Mexico

open access: yesBotan‪ical Sciences, 2017
Background: Explored botanically from the 19th century, the Sierra de Chiconquiaco is recognized for its large vegetal and topographical heterogeneity.
Maite Lascurain Rangel   +6 more
doaj   +1 more source

A Floristic Study of Forests and Bog Vegetation, Northwestern Minnesota [PDF]

open access: yesEcology, 1967
Single vegetation plots in forests and bogs in the deciduous and coniferous—hardwood formation in northwestern Minnesota were studied according to the field methods of the Zurich—Montpellier system. Plots and species were arranged so that the greatest coincidence of occurrences was obtained.
openaire   +3 more sources

A Business Study of Michigan Retail Florists [PDF]

open access: yesHortScience, 1997
In the spring of 1996, Michigan State Univ. and the Michigan Floral Assn. mailed a comprehensive business survey to all Michigan floral retailers. This was the first nonpartisan study of the retail florist industry in Michigan. Based upon the 183 responses from full-service retail florists (those who deliver and subscribe to a wire service), a profile ...
Carolyn A. Collins, Barbara S. Fails
openaire   +1 more source

Ecology of the (Brady)rhizobium symbiotic relationship with Fabaceae in the south-western Cape

open access: yes, 1996
The mediterranean ecosystems of the south-western Cape, South Africa occur mainly on nutrient-poor acid sands and less often on limestone and mixed limestone soil types which support a high species diversity of Fabaceae.
Marumo, Moscow
core  

Guapira leucophylla (Nyctaginaceae, Caryophyllales), a new species from the northern Espinhaço Range of Minas Gerais, Brazil

open access: yesNordic Journal of Botany, EarlyView.
Guapira Aubl. (Nyctaginaceae, Pisonieae) comprises dioecious shrubs and trees widely distributed in the Neotropics and occupying diverse habitats. In the Brazilian Cerrado, the genus occurs in several phytophysiognomies, including Campos Rupestres, a montane rock ecosystem with high levels of endemism but still marked by significant gaps in botanical ...
Danilo Alvarenga Zavatin   +4 more
wiley   +1 more source

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