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12 Dec 2017 Riccia belongs to the family Ricciaceae of the order Marchantiales. Majority of the species of this genus are terrestrial but some species are aquatic as these are found growing actually in the water. The following seven species have been commonly reported from the North Western Himalayas and the
ABSTRACT: Twelve species of the genus Riccia L. from State of West Bengal have been studied critically under SEM. Three rare species, viz. R. melanospora, R. perssonii and R. stricta have been recorded for the first time from the State. The sporoderm of R. crispatula, R. cruciata, R. discolor, R. huebeneriana,
1 Dec 1980 A new species of Riccia, R. rosea Volk & Perold of the group 'Squamatae', section Riccia. subgenus Riccia. is described. It is endemic to southern Africa and is characterized by large ventral scales with hyaline margins and reddish pink to deep rose-pink bases, and bv the light green dorsal colour of the
Full-text (PDF) | Twelve species of the genus Riccia L. from State of West Bengal have been studied critically under SEM. Three rare species, viz. R. melanospora, R. perssonii and R. stricta have been recorded for the first time from the State. The sporoderm of R. crispatula, R. cruciata, R. disco
Most species of Riccia are terrestrial, but Riccia fluitans is amphibious. Top left - spore. Bottom left - epidermal and photosynthetic cells. Top right - sporophyte with tetrads. Bottom right - habit. Riccia glauca (terrestrial). Riccia fluitans (floating). Habit. Section of thallus. Note large air chambers. Air spaces are narrow and slit-
La-Donna-Riccia.pdf - Download as PDF File (.pdf) or read online.
A small Riccia species that grows in mats or rosettes up to 15 mm diameter. The thallus branches are linear or have slightly curved sides, only about 1 mm wide (up to. 2 times as broad than long), pale or yellowish-green, but often tinged reddish along the margins. The thalli have a distinct, shallow, flat-bottomed median
Genus: Riccia. •Thallus. •Gametophyte plant body. •Dichotomous branching. •Lacks xylem and phloem. ?No true stem, true leaf or true root. •Utilizes hydroids (similar to xylem) and leptoids (similar to phloem). ?In place of roots, rhizoids anchor bryophytes to a substrate
1 Oct 2015 Full-text (PDF) | Satara district (Maharastra), part of central Western Ghats exhibits unique topographical and climatic conditions that support rich bryoflora. This paper describes species diversity of genus Riccia (Mich.) L. along with the distributional pattern in the studied area. Key to the e
Riccia fluitans. Floating Crystalwort. Key 13. 3 mm. This slender thallose liverwort has both floating and terrestrial forms. Floating plants grow in tangled masses with thalli forked 2–6 times into 2 nearly equal branches. Thalli are up to 2 cm long, and about 1 mm wide. In terrestrial forms, thalli grow in rosettes up to 2 cm

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March 2018