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Tree of Life Media Contributed By John Giezentanner

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ID Thumbnail Media Data
22943 A Mariposa lily in Alderfer/Three Sisters open space park, Jefferson County, Colorado.
Scientific Name Calochortus
Location Alderfer/Three Sisters park, Jefferson County, Colorado
Comments A Mariposa lily in Alderfer/Three Sisters open space park, Jefferson County, Colorado.
Specimen Condition Live Specimen
Copyright © 2007 John Giezentanner
Image Use share with ToL partners, modification permitted
Creation Date 7/14/2007
Attached to Group Liliaceae (Liliales): view page image collection
Title mariposalilly2tol.jpg
Image Type Photograph
Image Content Specimen(s), Body Parts
ALT Text A Mariposa lily in Alderfer/Three Sisters open space park, Jefferson County, Colorado.
ID 22943
22159 One single chlamydomonas (top) and two mating chlamydomonas (bottom).
Scientific Name Chlamydomonas
Comments One single chlamydomonas (top) and two mating chlamydomonas (bottom).
Specimen Condition Live Specimen
Copyright © 2007 John Giezentanner
Image Use share with ToL partners, modification permitted
Attached to Group Chlorophyceae (Green plants): view page image collection
Title chlamydomonasmating.jpg
Image Type Photograph
Image Content Specimen(s)
ALT Text One single chlamydomonas (top) and two mating chlamydomonas (bottom).
ID 22159
22133 This image shows the first leaf of a young leptosporangiate fern sporophyte.
Scientific Name Adiantum
Comments This is the first leaf of a young leptosporangiate fern (Adiantum) sporophyte, which is still attached to the gametophyte (not pictured).
Acknowledgements Eric Madrid rotated the image and added the white background to improve the picture's visual appeal.
Specimen Condition Live Specimen
Life Cycle Stage Sporophyte
Body Part first leaf of young sporophyte
Size several mm across
Copyright © 2007 John Giezentanner
Image Use share with ToL partners, modification permitted
Attached to Group Polypodiidae: view page image collection
Title young_fern2.jpg
Image Type Photograph
Image Content Specimen(s), Body Parts
ALT Text This image shows the first leaf of a young leptosporangiate fern sporophyte.
Notes Picture taken in lab for Plant Biodiversity and Evolution (EBIO 3500) course at CU Boulder, spring 2007.
ID 22133
22134 Section through a live liverwort (Marchantia) thallus with gemma cup and rhizoids.
Scientific Name Marchantia
Comments Section through a liverwort (Marchantia) showing a gemma cup with gemmae inside, the thin thallus of the plant (with pores visible on the top), and its unicellular rhizoids, which anchor the liverwort to its substrate.
Specimen Condition Live Specimen
Life Cycle Stage gametophyte
Body Part gemma cup, gemmae, thallus, unicellular rhizoids
Copyright © 2007 John Giezentanner
Image Use share with ToL partners, modification permitted
Attached to Group Marchantiomorpha (Embryophytes): view page image collection
Title marchantiaxssmall.jpg
Image Type Photograph
Image Content Specimen(s), Body Parts
ALT Text Section through a live liverwort (Marchantia) thallus with gemma cup and rhizoids.
ID 22134
22135 Magnified view of a single gemma resting on the thallus of a liverwort (Marchantia) plant. Pores are visible on the thallus.
Scientific Name Marchantia
Comments A single gemma resting on the thallus of a liverwort (Marchantia) plant. Pores are visible on the thallus.
Specimen Condition Live Specimen
Life Cycle Stage gametophyte
Body Part thallus and gemma
Copyright © 2007 John Giezentanner
Image Use share with ToL partners, modification permitted
Attached to Group Marchantiomorpha (Embryophytes): view page image collection
Title marchantiaporesandgemmasmall.jpg
Image Type Photograph
Image Content Body Parts
ALT Text Magnified view of a single gemma resting on the thallus of a liverwort (Marchantia) plant. Pores are visible on the thallus.
ID 22135
22136 Gemmae are visible in this gemma cup on a Marchantia (liverwort) plant.
Scientific Name Marchantia
Comments Gemmae are visible in this gemma cup (an asexual reproductive structure) on a Marchantia (liverwort) plant.
Specimen Condition Live Specimen
Life Cycle Stage gametophyte
Body Part gemma cup
Copyright © 2007 John Giezentanner
Image Use share with ToL partners, modification permitted
Attached to Group Marchantiomorpha (Embryophytes): view page image collection
Title marchantiagemmacuptol.jpg
Image Type Photograph
Image Content Body Parts
ALT Text Gemmae are visible in this gemma cup on a Marchantia (liverwort) plant.
ID 22136
22138 Liverworts (Marchantia) growing on the moist wall of a crevice in Devil's Den State Park, Arkansas, with many antheridiophores.
Scientific Name Marchantia
Location Devil's Den State Park, Arkansas, USA
Comments Liverworts (Marchantia) growing on the moist wall of a crevice in Devil's Den State Park, Arkansas, with many antheridiophores. Some mosses are also growing around them.
Specimen Condition Live Specimen
Life Cycle Stage gametophyte
Body Part thallus and antheridiophores
Copyright © 2007 John Giezentanner
Image Use share with ToL partners, modification permitted
Creation Date 3/27/2007, afternoon
Attached to Group Marchantiomorpha (Embryophytes): view page image collection
Title liverwortgametangiatol.jpg
Image Type Photograph
Image Content Specimen(s), Body Parts, Habitat
ALT Text Liverworts (Marchantia) growing on the moist wall of a crevice in Devil's Den State Park, Arkansas, with many antheridiophores.
ID 22138
22143
Scientific Name Gloeocapsa
Comments Gloeocapsa are unicellular, but daughter cells often remain within the wall of the parent cell following division.
Specimen Condition Live Specimen
Copyright © 2007 John Giezentanner
Image Use share with ToL partners, modification permitted
Attached to Group Gloeocapsa (Cyanobacteria): view page image collection
Title gleocapsa.jpg
Image Type Photograph
Image Content Specimen(s)
ID 22143
22140
Scientific Name Coleochaete
Copyright © 2007 John Giezentanner
Image Use share with ToL partners, modification permitted
Attached to Group Coleochaetales (Green plants): view page image collection
Title coleochaetetol.jpg
Image Type Photograph
Image Content Specimen(s)
ID 22140
22142 A septa protrudes from the upper part of this Cladophora specimen.
Scientific Name Cladophora
Comments A septa protrudes from the upper part of this Cladophora specimen.
Specimen Condition Live Specimen
Copyright © 2007 John Giezentanner
Image Use share with ToL partners, modification permitted
Attached to Group Ulvophyceae (Green plants): view page image collection
Title cladophorajbg2tol.jpg
Image Type Photograph
Image Content Specimen(s)
ALT Text A septa protrudes from the upper part of this Cladophora specimen.
ID 22142
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