Lectotypification ofMarsilea quadrifoliaL. (Marsileaceae)

نویسندگان

چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود 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

Lectotypification of Linnaean names in Pedicularis (Orobanchaceae)

Ten Linnaean names of Pedicularis (Orobanchaceae) are lectotypified: P. comosa, P. flammea, P. hirsuta, P. incarnata, P. lapponica, P. resupinata, P. rostrata, P. tristis, P. tuberosa and P. verticillata. Lectotypes are designated from the Linnaean herbarium at LINN. The type choices made here maintain the present usage of the corresponding Linnaean names for ten Pedicularis species.

متن کامل

Effects of nickel on the fern Regnellidium diphyllum Lindm. (Marsileaceae).

The heterosporous fern Regnellidium diphyllum occurs in southern Brazil and some adjoining localities in Uruguay and Argentina. Currently it is on the list of threatened species in the state of Rio Grande do Sul. Anthropic alterations such as the conversion of wetlands into agricultural areas or water and soil contamination by pollutants may compromise the establishment and survival of this spe...

متن کامل

Lectotypification, emended description and distribution of Planothidium distinctum (Achnanthidiaceae, Bacillariophyceae)

The rare boreo-alpine, oligotraphenic diatom Planothidium distinctum (= Achnanthes distincta) was first described from the western Alps in 1954. Achnanthes hirta, a species described in 1970 from the Pyrenees, is regarded as a heterotypic synonym of Planothidium distinctum but almost all morphological details of P. distinctum are known from the type material of Achnanthes hirta. On the basis of...

متن کامل

Structure and Function of Spores in the Aquatic Heterosporous Fern Family Marsileaceae

Spores of the aquatic heterosporous fern family Marsileaceae differ markedly from spores of Salviniaceae, the only other family of heterosporous ferns and sister group to Marsileaceae, and from spores of all homosporous ferns. The marsileaceous outer spore wall (perine) is modified above the aperture into a structure, the acrolamella, and the perine and acrolamella are further modified into a r...

متن کامل

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: American Fern Journal

سال: 2012

ISSN: 0002-8444,1938-422X

DOI: 10.1640/0002-8444-102.4.289