zygnematales:



preview-picture description comment
Actinotaenium_cucurbita_K.jpg actinotaenium cucurbita
Elfenmeer, a heathland pond
April 2003
Arthrodesmus_octocornis_K.jpg arthrodesmus octocornis
pond near the Wupper dam
May 2006
Closterium_acerosum_K.jpg closterium acerosum
garden pond,
December 2002
Closterium_gracile_K.jpg closterium gracile
Elfenmeer, a heathland pond
Juni 2005
Closterium_rostratum_K.jpg Closterium rostratum
Alatsee, Austria,
October 2006
Closterium_leibleinii_K.jpg closterium leibleinii
botanical garden university Duesseldorf,
spring 2001
Closterium_moniliferum_K.jpg closterium moniliferum
garden pond between spaghnum
January 2007
Closterium_moniliferum_Kavi.jpg closterium moniliferum
garden pond, April 2002
video, AVI-format, 1,0 MB
the movement of the gypsum-cristallits can be seen
Closterium_navicula_K.jpg closterium navicula
botanical garden university Duesseldorf,
spring 2001
Closterium_parvulum_K.jpg closterium parvulum
garden pond,
February 2007
Closterium_pronum_K.jpg closterium pronum
Emscherpark
June 2004
closterium pronum is very long, but only a few µm wide. The picture is composed of two different one. Now one can see the wholge algae at e relative high magnification.
Closterium-teilung_K.jpg closterium
garden pond
May 2005
end of vegetative cell-division
Closterium_striolatum-zygote_K.jpg cygote of closterium striolatum.
Cologne Wahn moor
April 2006
10 pictures stacked withCombineZ5
Cosmarium_botrytis_K.jpg cosmarium botrytis
botanical garden university Duesseldorf,
May 2005
Cosmarium_botrytis-Teilung_K.jpg cosmarium botrytis
national horticultural show Duesseldorf,
April 2006
early state of cell division that starts with a prolongation of the isthmus and its following line out in the middle.
Cosmarium_caelatum_K.jpg cosmarium caelatum
Col de la Schlucht, Alsace, water-trickled rock
August 2005
Cosmarium_holmiense_var_hibernicum_K.jpg cosmarium holmiense var. hibernicum
Schee Tunnel, water-trickled rock
January 2007
Cosmarium_impressulum_K.jpg cosmarium impressulum
national horticultural show Duesseldorf,
September 2006
Cosmarium_portianum_K.jpg cosmarium portianum
Cologne-Wahn moor
July 2004
Cosmarium_reniforme-HF_K.jpg Cosmarium reniforme
Heathland pond
June 2015
Oblique illumination
Cosmarium_reniforme-Fluo_K.jpg Cosmarium reniforme
Heathland pond
June 2015
Red chlorophyll autofluorescence
Cosmarium_reniforme-Pol_K.jpg Cosmarium reniforme
Heathland pond
June 2015
Polarized light with lambda-retarder
Cosmarium_subcostatum_var_minus_K.jpg cosmarium subcostatum var.minus
national horticultural show Duesseldorf,
May 2003
Cosmarium_subcucumis_K.jpg cosmarium subcucumis
garden pond between spaghnum
January 2007
Cosmarium_subcucumis-Bakterien_K.jpg cosmarium subcucumis
garden pond between spaghnum
January 2007
affection with bacteria, beginning corruption
Cosmarium_subcucumis-Teilungsfehler
        _K.jpg cosmarium subcucumis
garden pond between spaghnum
January 2007
abnormality during the vegetative reproduction
Cosmarium_tetraophthalmus_K.jpg cosmarium tetraophthalmus
Cologne-Wahn moor
May 2002
Cosmarium_tetraophtalmus.jpg cosmarium tetraophtalmus
botanical garden university Duesseldorf,
spring 2001
Film, AVI-Format, 1,4 MB
Cosmarium_vexatum_K.jpg cosmarium vexatum
garden pond between spaghnum
January 2007
Cylindrocystis_brebissonii_K.jpg cylindrocystis brebissonii
Lac de Lispach, Alsace
August 2005
Desmidium_swartzii_K.jpg desmidium swartzii
Cologne-Wahn moor
December 2006
Desmidium_swartzii-stack_K.jpg desmidium swartzii
Cologne-Wahn moor
December 2006
6 pictures stacked with CombineZ5
Euastrum_ansatum_var_pyxidatum-DELP_K.jpg Euastrum ansatum var. pyxidatum DELP
Elfenmeer, a heathland pond
April 2008
Euastrum_bidentatum_K.jpg euastrum bidentatum
Cologne-Wahn moor
August 2002
Euastrum_humerosum-HF_K.jpg Euastrum humerosum
Elfenmeer
November 2014
Bright field
Euastrum_humerosum-DF_K.jpg Euastrum humerosum
Elfenmeer
November 2014
Dark field
Euastrum_humerosum-FL_K.jpg Euastrum humerosum
Elfenmeer
November 2014
Chlrophyll autofluorescence
Euastrum_humerosum-Doppelkopf-400x_K.jpg Euastrum humerosum
Elfenmeer
June 2008
Anomaly of twin-headed individuals
Euastrum_humerosum-Doppelkopf-630x_K.jpg Euastrum humerosum
Elfenmeer
June 2008
Anomaly of twin-headed individuals
Euastrum_humerosum-Missbildung_K.jpg Euastrum humerosum
Elfenmeer
June 2008
Reduced growing
Euastrum_humerosum_var_affine_K.jpg euastrum humerosum, var. affine
Elfenmeer, a heathland pond
June 2005
Euastrum_insulare_K.jpg Euastrum insulare
Hilden heathland, between sphagnum
August 2007
Eurastrum_oblongum_K.jpg Euastrum oblongum
Elfenmeer, a heathland pond
April 2008
Eurastrum_oblongum_zygote_K.jpg eurastrum oblongum; cygote
Cologne-Wahn moor
spring 2001
Euastrum_verrucosum_K.jpg Euastrum verrucosum
Elfenmeer, a heathland pond near Roermond
Aril 2008
Stack of 6 pictures
Euastrum_verrucosum-oben_K.jpg Euastrum verrucosum
Elfenmeer, a heathland pond near Roermond
Aril 2008
Focus on surface
Gymnozyga_(Bambusina)_spec-Galgenvenn-Fluo-630x_K.jpg Gymnozyga (Bambusina) spec.
Galgenvenn
March 2013
Brightfield and Chlorophyll autofluorescence in 365 nm UV-excitation
Hyalotheka_dissilens-HF_K.jpg hyalotheka dissilens
Cologne-Wahn moor
December 2006
Hyalotheka_dissilens-phase_K.jpg hyalotheka dissilens
Cologne-Wahn moor
December 2006
phase contrast, you can see the thick gelantine that surrounds the filament
Mesotaenium-HF_K.jpg mesotaenium spec.
atmophytic in a gelantin between mosses, garden
January 2007
Mesotaenium-phase_K.jpg mesotaenium spec.
atmophytic in a gelantin between mosses, garden
January 2007
the layered gelantin is visible with phase contrast
Micrasterias_americana-ws_K.jpg micrasterias americana
Schwalm-Nette area, white stone
December 2006
2 pictures stacked with CombineZ5
Micrasterias_americana_K.jpg micrasterias americana
Cologne-Wahn moor
May 2003 und 2004
2 different individuals, left in flat-position, right side-face view
Micrasterias_brachyptera_K.jpg Micrasterias brachyptera
Seethaler lake near Tamsweg, Austria
September 2007
Micrasterias_denticulata_K.jpg Micrasterias denticulata
Elmpter Schwalmbruch
August 2008
Micrasterias_denticulata-1_K.jpg Micrasterias denticulata
Birgelen, virgin forest
April 2013
Micrasterias_papillifera_K.jpg Micrasterias papillifera
Elfenmeer, a heathland pond
April 2008
Micrasterias_papillifera-PH_K.jpg Micrasterias papillifera
Elfenmeer, a heathland pond
April 2008
In phasecontrast also the gelantine shell is visible. This gelantine enables the algae to move around a bit.
Micrasterias_rotata_K.jpg Micrasterias rotata
Schwalm-Nette aerea, white stone
April 2008
Micrasterias_rotata-Gartenteich_K.jpg Micrasterias rotata
Gardenpond
September 2016
Micrasterias_rotata-DF_K.jpg Micrasterias rotata
Schwalm-Nette aerea, white stone
April 2008
Darkfield
Micrasterias_rotata-Fluo_K.jpg Micrasterias rotata
Schwalm-Nette Gebiet
April 2016
Chlorophyll Autofluorescence, excitation Royal Blue LED.
Micrastrerias_thomasiana_var_notata-HF_K.jpg Micrastrerias thomasiana var. notata
Rolvennen, a heathland pond
May 2007
Micrastrerias_thomasiana_var_notata-DF_K.jpg Micrastrerias thomasiana var. notata
Rolvennen, a heathland pond
May 2007
Dark field
Micrasterias_truncata-Galgenvenn-1000x_7022-27-800_K.jpg Micrasterias truncata
Galgenvenn, a heathland pond
September 2009
Micrasterias_truncataFluo_K.jpg Micrasterias truncata
Galgenvenn, a heathland pond
March 2013
Chlorophyll Autofluorescence, excitation with 365 nm Nichia LED
Micrasterias_truncata_var_semiradiata_K.jpg Micrasterias truncata var. semiradiata
Rolvennen, a heathland pond
April 2008
Mougeotia_scalaris_K.jpg Mougeotia scalaris
Cologne-Wahn moor, March 2002
in conjugation
Netrium_digitus-630x_K.jpg Netrium digitus
Heathland pond,
June 2015
Netrium_interruptum_var_minor_K.jpg netrium interruptum var. minor
Lac de Lispach, Alsace
August 2005
Penium_spirostriolatum_K.jpg penium spirostriolatum
Emscherpark,
August 2002
Pleurotaenium_ehrenbergii-200x-1_K.jpg Pleurotaenium ehrenbergii
Elfenmeer
May 2008
Pleurotaenium_ehrenbergii-DF_K.jpg Pleurotaenium ehrenbergii
garden pond
May 2015
Dunkelfeld
Pleurotaenium_ehrenbergii-Pol_K.jpg Pleurotaenium ehrenbergii
garden pond
May 2015
Polarisiertes Licht
Pleurotaenium ehrenbergii
garden pond
May 2015
Vacuole with crystals, Brownian motion
Spirogyra_spec-Kern_K.jpg spirogyra spec.
garden pond
February 2007
Cell with nucleus in the middle
Spirogyra-sex_03_K.jpg Spirogyra spec.
stome pit near kerpen
April 2007
early phase of conjugation
Spirogyra-sex_K.jpg Spirogyra spec.
stome pit near kerpen
April 2007
early phase of conjugation
Spirogyra_spec-Zygote_K.jpg spirogyra spec.
Urdenbach floodland
May 2004
formation of cygotes
Spirotaenia_condensata_K.jpg spirotaenia condensata
Lac de Lispach, Alsace
August 2005
Spondylosium_pulchellum_K.jpg spondylosium pulchellum
Elfenmeer, a heathland pond
June 2005
Staurastrum_dejectum_K.jpg staurastrum dejectum
Elfenmeer, a heathland pond
April 2003
Staurastrum_K.jpg staurastrum spec.
Lac de Vologne, Alsace
August 2005
Staurastrum_brachiatum_RALFS_K.jpg Staurastrum brachiatum RALFS
Lake near Ünterlüß
July 2008
Each half with 3 spiky forked appendices, mostly only 2 visibale at the same time
Staurastrum_brachiatum-PH_K.jpg Staurastrum brachiatum RALFS
Lake near Ünterlüß
July 2008
With phasencontrast the strong gelantine shell becomes visible
Staurastrum_brachiatum-630x_K.jpg Staurastrum brachiatum RALFS
Lake near Ünterlüß
July 2008
Focus on the spiky forked appendices
Staurastrum_crenulatum_K.jpg staurastrum crenulatum
pond near the Wupper dam
Mai 2006
Staurastrum_furcatum_K.jpg Staurastrum furcatum
Elfenmeer, a heathland pond
August 2008
Anomalie during cell division
Staurastrum_manfeldtii_K.jpg staurastrum manfeldtii
Emscherpark
June 2004
Staurastrum_manfeldtii-3+4_K.jpg staurastrum manfeldtii
Emscherpark
June 2004
Staurastrum_margaritaceum_K.jpg staurastrum margaritaceum
Cologne-Wahn moor
Mai 2002
Staurastrum_muricatum-V_K.jpg Staurastrum muricatum
Pietz Moor
July 2008
Wall with concentric rows of small warts
Staurastrum_muricatum-M_K.jpg Staurastrum muricatum
Pietz Moor
July 2008
Focus on middle of Cell, apex and isthmus
Staurastrum_setigerum_K.jpg Staurastrum setigerum (movie, WMV-format, 7.9 MB)
Ochsenfilz
Allgäu
October 2009
Staurastrum_spongiosum_K.jpg staurastrum spongiosum
Cologne-Wahn moor,
December 2006
3 pictures stacked with CombineZ5
Staurastrum_teliferum_K.jpg Staurastrum teliferum
Cologne-Wahn moor
April 2006
2 pictures in different focus-layers
Staurastrum_tetracerum_K.jpg staurastrum tetracerum
Grube Weiss, an old clay pit
June 2005
Staurodesmus_convergens_K.jpg staurodesmus convergens
Cologne-Wahn moor,
April 2006
Objective 100/1.25, oil, 10 pictures stacked with CombineZ5
Staurodesmus_convergens-beide_K.jpg staurodesmus convergens
Cologne-Wahn moor
April 2006
this algae is surrounded by a weak gelatine
Staurodesmus_triangularis_K.jpg staurodesmus triangularis
Cologne-Wahn moor
May 2003
Staurodesmus_spec_K.jpg staurodesmus species
pond near the Wupper dam
May 2006
Tetmemorus_granulatus_K.jpg tetmemorus granulatus
Cologne-Wahn moor
April 2006
Xanthidium_antilopaeum-A_K.jpg Xanthidium antilopaeum
Grundloser See, Lüneburger Heide
Juli 2008
Xanthidium_antilopaeum-B_K.jpg Xanthidium antilopaeum
Grundloser See, Lüneburger Heide
Juli 2008
Zygnema_K.jpg zygnema
Emscherpark,
August 2002
Zygnema_leiospermum_K.jpg zygnema leiospermum
Cologne-Wahn moor,
July 2004
sexual reproduction

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