DieBlidingia-Arten von Helgoland (Ulvales, Chlorophyta)

Abstract

The Blidingia-species of Helgoland (Ulvales, Chlorophyta). Based on tield studies and cultivation, four Blidingia-species have been established for Helgoland (North Sea). One of them, hitherto not separated from B. minima, is regarded as being B. chade [audii, though differing from its original description in an important morphological feature: the inner cell wall is not considerably thi&ened. The species is characterized by habit, development and zonation. There is good reason for conferring to B. subsalsa the rank of an independent species, classified up to now as subspecies of B. marginata. As shown in detail, the tubular frond of Blidingia-species develops directly from the raising of the center of a monostromatic prostrate disc. Contrary to previous statements in the literature, a preceding distromatic stage does not OCCUI', EINLEITUNG

The marine macroalgae of Helgoland (North Sea): an annotated list of records between 1845 and 1999

“…In the 19th century some species were recorded by Wollny (1881) and are present in the Kuckuck herbarium, but were probably not a conspicuous part of Table 1 the flora as they were not mentioned again until Peter Kornmann and Paul-Heinz Sahling started their work. Blidingia chadefaudii was separated from B. minima and B. subsalsa from B. marginata by Kornmann and Sahling (1978) on the basis of developmental differences.…”

Studies of the green algaPercursaria dawsonii(=Blidingia dawsoniicomb. nov., Kornmanniaceae, Ulvales) in British Columbia

“…In other features, P. dawsonii resembles species of Blidingia (Table 4). All have empty zoospore germination and produce a branched prostrate system (this study; Bliding 1963; Yoshida 1970; Kornmann & Sahling 1978; Tatewaki & Iima 1984; Garbary & Barkhouse 1987; Garbary & Tam 1989; Iima 1989; Woolcott et al . 2000; Iima et al .…”

“…stolonifera Garbary et C. Tam (Garbary & Tam 1989). (Figures in Kornmann and Sahling (1978) and Iima (1989) suggest that secondary stolon formation might also occur in B. chadefaudii .) In our earlier cultures of P. dawsonii from French Beach, the prostrate system was more compact than in the present study.…”

“…Most studies of the life history of Blidingia spp. report only a monophasic cycle: quadriflagellate zoospores germinate to produce a prostrate system that gives rise to tubular fronds, which produce quadriflagellate zoospores that repeat the cycle (Bliding 1963; Kornmann & Sahling 1978). Tatewaki (1972, in the discussion following the paper) was the first to report an alternation of isomorphic generations.…”

Benthic marine algae on Japanese tsunami marine debris – a morphological documentation of the species. Part 3. The green algae and cyanobacteria

“…1, fig. 9), Bliding (1963, fig.14), Scagel (1966, Kornmann & Sahling (1978); Thom (1984), DeCew (1997). • A trace of this species was found in debris only on the HF2 debris boat (Mar).…”