During the course of studies of the bacterial and algal flora of creek waters we were puzzled by the absence of any representatives of the genus Thiothrix from samples in which there was a regular and abundant growth of Beggiatoa species. Associated with Beggiatoa in many of these samples was the colorless sheathed organism Sphaerotilus natans. In view of the very gross similarity of Sphaerotil...

This report describes the discovery of the rare euglenoid taxon Trachelomonas bituricensis var. lotharingia in a small mesotrophic pond in the Czech Republic. Only limited data are available on the distribution of this taxon as same as for typical variety of Trachelomonas bituricensis, even though this taxon is morphologically very well defined. I provide a brief discussion of the taxonomic val...

Between January 2001 and May 2003, 167 stream segments on the islands of Kaua‘i, O‘ahu, Maui, and Hawai‘i were sampled for stream macroalgae and measured for a series of physical and chemical conditions. Conditions ranged more widely than previously reported, which is likely due to the greater diversity of habitats accessed and the year-round sampling representation in this study. Water tempera...

A variety of Algae occurs in the water and soil rice field ecosystems. These algae include green algae, desmids, diatoms blue with respect to their requirements like light, water, high temperature nutrient availability. Paddy ecosystem provides an environment favorable for growth BGA (Blue Green Algae). Algal flora is idea utilizing it as biofertilizer alternative or supplementary source nitrog...

In this contribution, new data concerning bryophytes, fungi and lichens of the Italian flora are presented. It includes records confirmations for algal genus Chara , bryophyte genera Bryum Grimmia Cephaloziella Hypnum Nogopterium Physcomitrium Polytrichastrum Rhynchostegiella Saelania Schistostega fungal Cortinarius Lentinellus Omphalina Xerophorus lichen Acarospora Agonimia Candelariella Clado...

Dear Editor, Seven species have been reported in the genus Dorema, family Umbelliferae, in the flora of Iran, among which two are endemic: D. aucheri Boiss. and D. ammoniacum D. Don. 1 In Iranian traditional medicine, Dorema aucheri has been employed as stimulant, nervonic, antispasmodic, bronchodilator, expectorant, kidney stone repellent, emmenagogue and analgesic for visceral pain. This plan...

La flora de algas en los lagos y arroyos la Cantera Oriente Reserva Ecológica del Pedregal San Ángel UNAM ha sido monitoreada durante 14 años. Se reunieron registros semestrales ese periodo contabilizando 270 taxones 8 divisiones. El 87% esa se presentado 1 a 7 ocasiones solo 15 especies presentaron 11 En este recuento, 5 son nuevos para México. clasificación las como raras, frecuentes o consta...