Present
<http://www.opengis.net/def/crs/EPSG/0/4326> POINT (51.3542 3.2112)
Benthic algae of the pier of Zeebrugge (1977-1978)
Sheltered and exposed places, always epiphytic (on several algae especially Chaetomorpha aerea); Monosporocysts from October to April
Aglaothamnion scopulorum var. polyspermum
Particularly on exposed places, epilithic, epiphytic; Tetrasporocysts from March to November
Near tide line, epilithic, often together with Hormiscia penicilliformis; Spring
Exposed and sheltered places; Developed optimally in late spring and summer, formation of swarmers from March to October
Cosmopolite, undergrow of Fucetum vesiculosi, sheltered substrates, perennial; Tetrasporocysts from August to November
Cosmopolite, undergrow of Fucetum vesiculosi, sheltered substrates, perennial; Gonimoblasts particularly in October
Perennial, sheltered places,; Tetrasporocysts in November
Perennial, sheltered places,; Gonimoblasts in November
Phorophyte (e.g. Acrochaetium secundatum); Fertile material in autumn, winter and spring
In pools of rocks (exposed and sheltered)
Ectocarpus confervoides var. siliculosus
Epilithic; Plurilocular zoidocysts in April
Endophytic and epiphytic on several phorophytes of the mediolittoral (Aglaothamnion scopulorum var. polyspermum and Enteromorpha sp.); Zoosporogenesis in summer
Perennial; Conceptacula in February and March
Epilithic; Plurilocular zoidocysts in October
Optimal development on vertical substrates
Developed optimally in winter and spring, fertile in spring
In pools and between Enteromorpha and Ulva; All year
Cosmopolite, epilithic, epiphytic and epizoic; Plurilocular zoidocysts from March to October
Cosmopolite, epilithic, epiphytic and epizoic; Unilocular zoidocysts all year
Frequently with Ceramium deslongchampsii; Frequently tetrasporocysts in August and May, rarely tetrasporocysts in November and February
Rocks with sand; Winter and spring, formation of spermatangia in April
Formation of monosporangia (Oktober, February and March)
Formation of antheridia (August, October and March)
Formation of carpogonia (Oktober, March)
Horizontal and vertical side of substrate, exposed and sheltered places; Spring, sporulation in March
Fixes sand; Tetrasporocysts in February and April
Spring, plurilocular formation of sporangia in late spring
Epilithic, epiphytic and epizoic; Developed optimally in May and June