green algae:



preview-picture description comment
Ankistrodesmus_spiralis_K.jpg ankistrodesmus spiralis
renaturated clay pit near Bergisch-Gladbach
June 2005
Asterococcus_superbus_K.jpg Asterococcus superbus
Gardenpond
September 2016
You can see the concentric layered shell-membranes
Asterococcus_superbus-PH_K.jpg Asterococcus superbus
Gardenpond
September 2016
Phasecontrast
Bulbochaete_K.jpg Bulbochaete spec.
national horticultural show Duesseldorf
September 2006
typical are the long hairs that have an onion-like form at the basis
Bulbochaete-Haar_K.jpg Bulbochaete spec.
botanical garden, university Duesseldorf
May 2007
Hair at the end of filament
Bulbochaete-oogonium_K.jpg Bulbochaete spec.
botanical garden, university Duesseldorf
May 2007
Oogonium with ovum
Bulbochaete-oogonium-oberfl_K.jpg Bulbochaete spec.
botanical garden, university Duesseldorf
May 2007
Cell-wall of the oogonioum
Chaetophora-SchilfTeich_K.jpg Chaetophora spec.
garden pond
April 2005
Habitus, some filaments end in a long "hair" without chloroplasts. Stereomicroscope
Chaetophora_elegans-borsten_K.jpg chaetophora elegans
garden pond
April 2007
each hair consists of single, empty cells
Chaetophora-Torfteich-200x_K.jpg Chaetophora spec.
garden pond
May 2010
Chaetophora forms branched filaments
Chaetophora_incrassata_K.jpg chaetophora incrassata
botanical garden, university Duesseldorf
June 2005
similar to Ch. elegans, however macroscopically it forms a branches, lobated gelatin.
Chara_spez_8450-55_K.jpg Chara spec.
Eskesberg in Wuppertal
August 2007
This is a monoecious species. Oogonium (right) and antheridium (left, orange colored) appear on one individual.
Chara_spez-100x_13_K.jpg Chara spec.
Garden pond
August 2007
This is a dioecious species. Oogonium and antheridium appear on two different plants; here a female with an oogonium individual is shown.
Chara_spez-50x_06_K.jpg Chara spec.
Garden pond
August 2007
This is a dioecious species. Oogonium and antheridium appear on two different plants; here a female with an oogonium individual is shown.
Characium-spec_K.jpg characium, species
old Emscher, Emscherpark
June 2004
Characium-spec-2_K.jpg characium, species
Unterbacher pond
July 2002
Chlamydomonas_spec_Zygote_K.jpg zygote of chlamydomonas species
garden pond
April 2003
Chlorella_vulgaris-stentorpolymorphus_K.jpg chlorella vulgaris
garden pond
December 2006
shown here as the symbiontic form that occurs in stentor polymorphus. The two circles mark the typical forms of the chloroplast.
Chlorococcum_spec_K.jpg chlorococcum spec.
garden pond
March 2004
Division in daughter-cells
Cladophora_glomerata-DF_K.jpg Cladophora glomerata
Waterfall Neandertal
March 2008
Cladophora consists of branched filamentsMicroscopy, Stereomicroscope, Microfototo
Cladophora_glomerata-400_K.jpg Cladophora glomerata
Waterfall Neandertal
March 2008
Branching
Cladophora_glomerata-630_K.jpg Cladophora glomerata
Waterfall Neandertal
March 2008
A new branching evolves through a protuberance under a transverse cell wand
Coelastrum_astroideum_K.jpg Coelastrum astroideum
Small pond near Hilden
May 2011
Coelastrum_microporum_K.jpg coelastrum microporum
Eselsbach near the Unterbacher pond
August 2003
Coelastrum_reticulatum-630x_K.jpg Coelastrum reticulatum
Gardenpond, Lower Rhine region
July 2016
Coelastrum reticulatum has been brought to Europe from the tropics at the beginning of the 20th. century.
Coelastrum_reticulatum-1000x_K.jpg Coelastrum reticulatum
Northpark, Düsseldorf
June 2011
Coelastrum reticulatum has been brought to Europe from the tropics at the beginning of the 20th. century.
Coelastrum_sphaericum_K.jpg coelastrum sphaericum
botanical garden university Duesseldorf
August 2006
4 pictures stacked with CombineZ5
Colechaete_orbicularis-HF_K.jpg Coleochaete orbicularis
Garden pond
July 2010
24 pictures stacked with Zerene stacker
Colechaete_orbicularis-PH_K.jpg Coleochaete orbicularis
Garden pond
July 2010
Phase contrast, 10 pictures stacked with Zerene stacker
Colechaete_orbicularis-DF_K.jpg Coleochaete orbicularis
Garden pond
July 2010
Dark field, 20 pictures stacked with Zerene stacker
Dictyosphaerium_ehrenbergianum_K.jpg dictyosphaerium ehrenbergianum
pond near the Wupper dam
May 2006
Draparnaldia_glomerata_K.jpg draparnaldia glomerata
garden pond
May 2005
In the dark-field-picture to the left you can see the highly viscous gelantin that surrounds draparnaldia.
Eremosphaera_viridis_K.jpg Eremosphaera viridis
Seethaler lake near Tamsweg, Austria
September 2007
green moor-ball, large form
Eudorina_elegans_K.jpg eudorina elegans
Köln-Wahn moor, pond,
May 2002
Eudorina-spec_K.jpg eudorina spec
botanical garden university Duesseldorf,
August 2006
here we see the relatively unusual 8-celled form of eudorina
Glaucocystis_K.jpg Glaucocystis spec.
Heathland pond near Roermond,
February 2008
Contains symbiontic cyanobacterias instead of a green chloroplast
Gloeococcus-630x_K.jpg Gloeococcus spec.
Heathlandpond near Roermond,
June 2015
Gloeococcus-400x_K.jpg Gloeococcus spec.
Heathlandpond near Roermond,
June 2015
Phasecontrast
Gloeocystis_ampla_K.jpg gloeocystis ampla
border of garden pond,
September 2006
left: habitus, outside of the pond, between moss
middle: colony of several cells,
right; single cell in layered gelatin
Gonium_pectorale_K.jpg gonium pectorale
garden pond,
April 2002
right picture: early state of reproduction
Gonium_pectorale-geteilt_K.jpg gonium pectorale
garden pond,
April 2003
late state of reproduction: it is visible, that from each single cell a complete 16-celled coenobia is generated.
Gonium_sociale_K.jpg Gonium sociale
Uni Düsseldorf, Botanical garden,
February 2011
Always 4-celled, cells quadratically ordered and connected via a small papillae, central pyrenoid, eye-spot.
Gonyostomum_semen_K.jpg gonyostomum semen
Elfenmeer, a heathland pond
June 2005
Haematococcus_pluvialis_K.jpg haematococcus pluvialis
eaves gutter, Duesseldorf
January 2007
Haematococcus-1000x_K.jpg Haematococcus pluvialis
Gardenstair, Düsseldorf
March 2010
The 2 characteristic vacuoles are well visible.
Haematococcus_aplano-HF_K.jpg haematococcus spec.
eaves gutter, Duesseldorf
January 2007
aplanospores
Haematococcus_aplano-phase_K.jpg haematococcus spec.
eaves gutter, Duesseldorf
January 2007
aplanospores, phase contrats
Haematococcus_spec_K.jpg haematococcus spec.
Köln Wahn moor, December 2006
state of cell division
Microspora_spec_K.jpg microspora spec.
Köln Wahn moor, pond
April 2006
Microspora_spec-a_K.jpg microspora spec.
atmophytic in a gelantin between mosses, garden
January 2007
Microspora_spec-a_K.jpg microspora spec.
atmophytic in a gelantin between mosses, garden
January 2007
Micractinium_pusilium_K.jpg micractinium pusilium
little creek near Roermond
October 2002
Nephrocytium_lunatum_K.jpg nephrocytium lunatum
garden pond
July 2002
Oedogonium_Zwerg-A_K.jpg Oedogonium spec.
Garden pond
August 2008
Left to the oogonium there are 2 males . One is already empty, the other one cotains still the spermatozoides.
Oedogonium_Zwerg-B_K.jpg Oedogonium spec.
Garden pond
August 2008
The male is tightened via a rhizoid at the cellwall.
Oedogonium-Kappe_K.jpg Oedogonium spec.
Garden pond
August 2008
Cap cell. These caps are formed during the cell division.
Oedogoniumm_K.jpg oedogonium spec.
garden pond
June 2004
young filament with rhizoid
Palmodictyon_viride_K.jpg palmodictyon viride
botanical garden university Duesseldorf,
March 2002
Pandorina_morum_K.jpg pandorina morum
pond near the Wupper dam,
May 2006
Pandorina_morum-400xPH_K.jpg Pandorina morum
Gardenpond,
July 2015
Phasecontrast, colony in asexual reproduction. Each of the usuallay 16 single colony-members is generating a complete 16-celled daughter-colony.
Pandorina_morum-400xDF_K.jpg Pandorina morum
Gardenpond,
July 2015
Darkfield, colony in asexual reproduction. Each of the usuallay 16 single colony-members is generating a complete 16-celled daughter-colony.
Pandorina_morum-630xHF_K.jpg Pandorina morum
Gardenpond,
July 2015
Colony in asexual reproduction. Each of the usuallay 16 single colony-members is generating a complete 16-celled daughter-colony.
Pandorina_morum-Buga-400x_HF_K.jpg Pandorina morum
Southpark Duesseldorf,
April 2007
Each colony is surrounded by a gelantine shell.
Pandorina_morum-Buga-400x_PH_K.jpg Pandorina morum
Southpark Duesseldorf,
May 2007
Each cell with 2 flagella
Pandorina_morum-Buga-630x_K.jpg Pandorina morum
Southpark Duesseldorf,
May 2007
Cells are wedge-shaped with the flat side exterior.
Pediastrum_boryanum_K.jpg pediastrum boryanum
garden pond,
Bieberbach
July 2006
10 pictures stacked with CombineZ5
Pediastrum_boryanum-Phako_K.jpg Pediastrum boryanum
Fishpond near Denkligen,
October 2007
Phasecontrast, 3 pictures stacked with CombineZM
Pediastrum_duplex_K.jpg pediastrum duplex
botanical garden university Duesseldorf,
August 2003
Pediastrum_duplex_var_subgranulatum_K.jpg Pediastrum duplex var. subgranulatum
gardenpond
August 2016
Pediastrum_gracillimum_K.jpg pediastrum gracillimum
little creek near Roermond
October 2002
Pediastrum_tetras_K.jpg pediastrum tetras
botanical garden university Duesseldorf,
December 2006
Scenedesmus_K.jpg scenedesmus spec.
garden pond,
spring 2001
Scenedesmus_acuminatus_K.jpg scenedesmus acuminatus
garden pond,
spring 2001
Scenedesmus_disciformis_K.jpg Scenedesmus disciformis
Southpark, Düsseldorf
August 2008
Scenedesmus_longispina_K.jpg scenedesmus longispina
botanical garden university Duesseldorf,
May 2005
Scenedesmus_opoliensis_K.jpg scenedesmus opoliensis
garden pond,
spring 2001
Scenedesmus_quadricauda-PH_K.jpg Scenedesmus quadricauda
Elfenmeer, a heathland pond,
August 2008
Phasecontrast
Scenedesmus_quadricauda-HF_K.jpg Scenedesmus quadricauda
Elfenmeer, a heathland pond,
August 2008
Scenedesmus_tenuispina_K.jpg scenedesmus tenuispina
botanical garden university Duesseldorf,
March 2006
5 pictures stacked with CombineZ5.
Selenastruma_bibraianum_K.jpg selenastrum bibraianum
national horticultural show Duesseldorf,
September 2006
Sorastrum_spinulosum_K.jpg Sorastrum spinulosum
Small pond near Hilden,
May 2011
Stephanosphaera_pluvialis-400x-HF_K.jpg Stephanosphaera pluvialis
Bird bath, Müden
July 2008
Stephanospaera is related to Haematococcus. 8 cells form a ring in a common gelatin.
Stephanosphaera_pluvialis-630x_K.jpg Stephanosphaera pluvialis
Bird bath, Müden
July 2008
Each cell has two flagella, an eyespot, several contractile vacuoles and a large chloroplast with several pyrenoids.
Tetraedron_caudatum_K.jpg tetraedron caudatum
botanical garden university Duesseldorf,
September 2006
Ulothrix_moniliformis_K.jpg ulothrix moniliformis
Cologne-Wahn moor
May 2004
Vaucheria_spec_K.jpg vaucheria spec. mit synplanospore
Itter-creek, Hilden
March 2003
Volvox-aureus-DF_K.jpg

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