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Liverworts

 
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PaulFurman



Joined: 24 Oct 2009
Posts: 595
Location: SF, CA, USA

PostPosted: Mon Mar 15, 2010 11:56 pm    Post subject: Liverworts Reply with quote

stack of 45 frames 105mm f/4 Bellows Nikkor 0.75x at f/5.6 1/4 sec


stack of 153 frames 20mm f/2 Olympus 2 sec at max bellows 13x


stack of 300 frames 20mm f/2 Olympus 2 sec at medium bellows extension about 8x


crop


stack of 51 frames 20mm f/2 Olympus 2 sec at max bellows 13x


crop
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rjlittlefield
Site Admin


Joined: 01 Aug 2006
Posts: 18250
Location: Richland, Washington State, USA

PostPosted: Tue Mar 16, 2010 12:48 am    Post subject: Reply with quote

Numbers 3 & 4 made my jaw drop so hard my wife asked what happened.

That "fractured glass" appearance is awesome(!), and 300 frames may be a new record.

This is very nice work, Paul!

--Rik
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morfa



Joined: 12 Oct 2009
Posts: 551
Location: Stockholm, Sweden

PostPosted: Tue Mar 16, 2010 5:22 am    Post subject: Reply with quote

Superb Paul – that #3 is amazing! Excellent lighting!
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PaulFurman



Joined: 24 Oct 2009
Posts: 595
Location: SF, CA, USA

PostPosted: Tue Mar 16, 2010 7:41 am    Post subject: Reply with quote

Thanks! These were exciting to watch the stacks grow, I didn't know what I was looking at with the 'mushroom' and still don't, really. These things must have particularly large cells.

The first overview shot was just ambient room/window light (big soft box) pointing away from the window with the bellows shading direct window reflections, the next two were bent plastic diffuser dome with tissue and side light, the last, I had to crank up the ISO, couldn't get light on it, just a bent piece of paper for reflector.
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Harold Gough



Joined: 09 Mar 2008
Posts: 5787
Location: Reading, Berkshire, England

PostPosted: Tue Mar 16, 2010 8:54 am    Post subject: Reply with quote

Amazing images.

This may help you to identify:

http://www.sbs.auckland.ac.nz/uoa/science/about/departments/sbs/newzealandplants/liverworts/overview.cfm

(Click on the "some leafy liverworts" link).

Harold
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My images are a medium for sharing some of my experiences: they are not me.
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mrtree



Joined: 25 Feb 2010
Posts: 13

PostPosted: Tue Mar 16, 2010 8:58 am    Post subject: Reply with quote

By 'mushrom' do you mean the umbrella like structure. If so there are male and female sex organs located in seperate receptacles. Males are umbrella like and females are umbrella like with only the 'ribs"
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mrtree



Joined: 25 Feb 2010
Posts: 13

PostPosted: Tue Mar 16, 2010 9:00 am    Post subject: Reply with quote

The most common thallus liverwort is Marchantia polymorpha. A weedy species, imported all over the world and common in plant nursery pots.

Michael
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mrtree



Joined: 25 Feb 2010
Posts: 13

PostPosted: Tue Mar 16, 2010 9:03 am    Post subject: Reply with quote

Photo 3 is of the gemma cup, a receptical that holds the tiny asexual reproductive bodies called gemma(e)
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