A Taxonomic Revision of Espeletia (Asteraceae). II. Updated List of Taxa, Nomenclature, and Conservation Status in the Colombian Radiation

نویسندگان

چکیده

In this work a taxonomic revision is made of the nomenclature, distribution, and conservation status for 84 species in Colombian clade Espeletia. Taxonomic changes include five new combinations taxa at level that are transferred to Seventy-three endemic Cordillera Oriental (including four extending into Venezuelan side Páramo de Tamá), six found Central (four range, one Ecuador, shared with Occidental), three Occidental, two Sierra Perijá yet be within borders). Geographic distributions páramo massif given all subspecies. The IUCN Red List category listed each species, suggestions recategorization some small distribution areas, low number populations, threats their habitat extent quality. all, about 60 Espeletia must classified threatened category. When belonging borders included, current estimate total diversity country 90 species.

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

efl students gender and socioeconomic status: the use of politeness strategies in the first and second languages

within the components of communicative competence, a special emphasis is put on the “rules of politeness,” specifically the politeness strategies (brown and levinson, 1978) that speakers deploy when performing the request speech act. this is because the degree of imposition that making a request places upon one’s interlocutor(s) has been seen to be influenced by several factors among which, as ...

the analysis of the role of the speech acts theory in translating and dubbing hollywood films

از محوری ترین اثراتی که یک فیلم سینمایی ایجاد می کند دیالوگ هایی است که هنرپیش گان فیلم میگویند. به زعم یک فیلم ساز, یک شیوه متأثر نمودن مخاطب از اثر منظوره نیروی گفتارهای گوینده, مثل نیروی عاطفی, ترس آور, غم انگیز, هیجان انگیز و غیره, است. این مطالعه به بررسی این مسأله مبادرت کرده است که آیا نیروی فراگفتاری هنرپیش گان به مثابه ی اعمال گفتاری در پنج فیلم هالیوودی در نسخه های دوبله شده باز تولید...

15 صفحه اول

a synchronic and diachronic approach to the change route of address terms in the two recent centuries of persian language

terms of address as an important linguistics items provide valuable information about the interlocutors, their relationship and their circumstances. this study was done to investigate the change route of persian address terms in the two recent centuries including three historical periods of qajar, pahlavi and after the islamic revolution. data were extracted from a corpus consisting 24 novels w...

15 صفحه اول

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Harvard Papers in Botany

سال: 2021

ISSN: ['1938-2944', '1043-4534']

DOI: https://doi.org/10.3100/hpib.v26iss1.2021.n9