منابع مشابه
An Electronic World Grass Flora
The development of an electronic world grass flora database is described in which data for 1090 morphological characters gathered for 11,000 species in 700 genera organized according to accepted names. This descriptive information is linked to a synonym database of 60,000 names. Authors, literature references, and the status of each name are also recorded in the database along with geographical...
متن کاملNEW RECORDS FOR THE MOSS FLORA OF IRAN
The following four species Physcomitrium pyriforme (Funariaceae), Bryum alpinum, Pohlia elongata (Bryaceae) and Fabronia pusilla (Fabroniaceae), are reported for the first time from Iran. The specimens were collected from Makhmal-kuh mountain (situated in north of Khorram-abad, Lorestan province). The voucher specimens are preserved in the Az-Zahra University herbarium, Tehran, Iran.
متن کاملGifts of the Amazon Flora to the World
When the famous Russian botanist Nikolya Vavilov outlined the major regions of the world that had given man most of his principal cultivated plants, he did not include the Amazon Valley. Nor did his nineteenthcentury predecessor Alphonse De Candolle, the pioneer in the field of phytogeographic study, look to the Amazon as the source of important cultivated plants. Since the exploratory work of ...
متن کامل[New findings about vaginal bacterial flora].
The aim of this review is to update knowledge about the vaginal ecosystem, non-cultivation methods for bacterial identification (gene amplification), the Lactobacillus species that comprise normal vaginal flora and influence of host genetics on bacterial interactions with local innate and acquired immune defenses. A Medline (Pubmed) search from 1997-2009 for relevant articles was performed and ...
متن کاملSOME NEW RECORDS FOR THE IRANIAN RUST FLORA
Four rust raxa in 3 genera and one form genus are newly recorded for Iran. Among these, Melampsoridium is a new genus for the Iranian rust flora. M. carpini on Carpinus sp., Coleosporium inulae on Inula salicina ssp. aspera, Puccinia saniculae on Sanicula europea and Uredo Otostegiae on otostegia persica are repoted for the first time in Iran. Number of urediniospore pores formerly believed 2 i...
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ژورنال
عنوان ژورنال: Nature
سال: 1970
ISSN: 0028-0836,1476-4687
DOI: 10.1038/226383a0