Results 31 to 40 of about 452 (152)
Diversity, 2020 The United States is currently home to five native cycad species. We provide a discussion on these five cycad species to illuminate how evolutionary and geopolitical processes influence phytogeography and published checklists of threatened plants.
Benjamin E. Deloso +2 more
doaj +1 more source
A Phytochemical and Biological Investigation of Some Plants Belong to Cycadales Order Cultivated in Egypt: Thesis Abstract [PDF]
Egyptian Journal of Cancer and Biomedical Research, 2021 Background: Gymnosperms are naked seed-producing plants and still a dark area in scientific researches although they considered as a rare gift of the nature. Cycads are one of the largest groups of living Gymnosperms.
Walaa Negm +3 more
doaj +1 more source
Botanical Gazette, 1906 (Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire +1 more source
A New Species of Cycas (Cycadaceae) from the Philippines [PDF]
Blumea - Biodiversity, Evolution and Biogeography of Plants, 2005 A new species, Cycas zambalensis Madulid & Agoo, is described from an ultrabasic hilly grassland in Zambales, Luzon Island, Philippines.
Madulid, D.A., Agoo, E.M.G.
openaire +2 more sources
Brazilian Journal of Biology, 2017 Crypticerya zeteki (Cockerell, 1914) (Hemiptera: Coccomorpha: Monophlebidae) is recorded for the first time from Brazil and Maconellicoccus hirsutus (Green, 1908) (Hemiptera: Coccomorpha: Pseudococcidae) is recorded for the first time from the state of ...
A. S. J. C. Ramos +3 more
doaj +1 more source
Nuclear ribosomal ITS functional paralogs resolve the phylogenetic relationships of a late-Miocene radiation cycad Cycas (Cycadaceae). [PDF]
PLoS ONE, 2015 Cycas is the most widespread and diverse genus among the ancient cycads, but the extant species could be the product of late Miocene rapid radiations.
Long-Qian Xiao, Michael Möller
doaj +1 more source
The complete chloroplast genome of Microcycas calocoma (Miq.) A. DC. (Zamiaceae, Cycadales) and evolution in Cycadales [PDF]
PeerJ, 2020 Cycadales is an extant group of seed plants occurring in subtropical and tropical regions comprising putatively three families and 10 genera. At least one complete plastid genome sequence has been reported for all of the 10 genera except Microcycas ...
Aimee Caye G. Chang +7 more
doaj +2 more sources
Effects of Habitat Fragmentation on Genetic Diversity in Cycas Balansae (Cycadaceae)
ASEAN Journal on Science and Technology for Development, 2017 Habitat fragmentation is a serious threat to species survival. In Vietnam, Cycas balansae has been considered as threatened species because of the reduction and fragmentation of its habitats and over-exploitation.
Nguyen Minh Tam +3 more
doaj +1 more source
Pest categorisation of Ceroplastes rubens. [PDF]
EFSA JAbstract The European Commission requested the EFSA Panel on Plant Health to conduct a pest categorisation of Ceroplastes rubens Maskell (Hemiptera: Coccidae), following the commodity risk assessments of Acer palmatum plants grafted on A. davidii and Pinus parviflora bonsai plants grafted on P. thunbergii from China, in which C.
EFSA Panel on Plant Health (PLH) +25 more
europepmc +2 more sources
Reasons of leaves withering in tropical plants cultivated under greenhouse conditions
Acta Agrobotanica, 2013 In order to determine the reasons of necrosis of exotic plants leaves cultivated in greenhouses plants belonging to ten following species were examined: Ceratozamia mexicana Brongn., Stangeria eriopus (Kunze) Nash (Cycadaceae), Eriobotrya japonica Lindl.
Z. Czerwiński +3 more
doaj +1 more source