Rivularia aquatica De Wildeman (1897: 40)
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publication ID |
https://doi.org/ 10.11646/phytotaxa.359.1.1 |
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DOI |
https://doi.org/10.5281/zenodo.13704374 |
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persistent identifier |
https://treatment.plazi.org/id/6B6487B2-1836-262B-EB9A-5450D2B8A8CA |
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treatment provided by |
Felipe |
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scientific name |
Rivularia aquatica De Wildeman (1897: 40) |
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Rivularia aquatica De Wildeman (1897: 40) Fig. 66 A–E.
Colonies small, hemispherical to irregularly spherical, 1–3 cm in diameter, without calcareous encrustations, olive-green to yellow-brown in colour; sheaths thin or thick, colourless, not striated, narrowed towards the ends, sometimes indistinct. Trichomes gradually attenuated towards the end, constricted at the cross walls, attenuated into a long hair at the trichome apex. Vegetative cells cylindrical or long barrel-shaped, isodiametric or longer or shorter than broad 5.0–9.8 μm long × 5.5–11.0 μm broad. Heterocytes spherical, solitary or rarely in pairs, 10.0–12.0 (–14.0) μm in diameter.
Specimens observed:—Edgbaston Reserve.
Other records:— Queensland: Cattle Ck, Mackay-Eungella Rd, 1 km W of Gargett, T. Entwisle, 1993 (MEL).
Observations:—Growing on the substratum of shallow spring-fed wetlands, amongst colonies of Iningianema pulvinus ; pantropical distribution (Komárek 2013).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.