En EspaŅol

Q. Who is Mr. Smarty Plants?

A: There are those who suspect Wildflower Center volunteers are the culpable and capable culprits. Yet, others think staff members play some, albeit small, role. You can torture us with your plant questions, but we will never reveal the Green Guru's secret identity.

Help us grow by giving to the Plant Database Fund or by becoming a member

Did you know you can access the Native Plant Information Network with your web-enabled smartphone?

Share

Ask Mr. Smarty Plants

Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.

Search Smarty Plants
    
 
See a list of all Smarty Plants questions
Can't find the answer in our existing FAQs, submit a question to Mr. Smarty Plants.
Need help with plant identification, visit the plant identification page.
 
rate this answer
2 ratings

Friday - January 08, 2010

From: Austin, TX
Region: Southwest
Topic: Plant Identification
Title: Identification of fleshy green lobes on the ground
Answered by: Nan Hampton

QUESTION:

I have been hiking in the Austin area and it is January: Noticing dark green, rubbery, lobe shaped sheets on the ground. Less then 2". Usually near low growing fuzzy moss clumps. There are many of them in one patch on the ground, but seem to be singular wrinkled green lobes. -Are these "Liverworts" or some form of the moss reproduction? I can find a lot of Liverwort photos- but none that look close to what we are seeing in Central Texas.

ANSWER:

What you are seeing is a type of Cyanobacteria called Nostoc commune.  Actually, it is a colony of single-celled cyanobacteria.  They have often been called blue-green algae because of their color and the fact that they are photosynthetic like the true algae.  However, the cyanobacteria are prokaryotes—meaning that their DNA is not held within a membrane-bound nucleus; whereas, true algae are eukaryotes with a membrane-bound nucleus. In fact, it is thought that the chloroplasts in green plants that carry out photosynthesis were derived during early evolution by the inclusion of cyanobacteria into their cells.  Here is a little more information about the cyanobacteria. Nostoc is an amazing organism because of its ability to withstand desiccation and extreme temperatures.  It occurs worldwide—from the Tropics to the Arctic and Antarctic.  As long as there is sufficient moisture you'll find Nostoc as the rubbery, green structures on the ground; but as soon as the weather gets dry, it will be there as rather unspectacular dried black mats.   Here are photos and more photos of Nostoc commune.

 

More Plant Identification Questions

Bermuda, not the only option in Memphis
November 04, 2014 - I'm building an energy efficient home in Memphis and want to extend that strategy to the landscaping. I'd like to plant native grasses, but this lot is surrounded by lots sodded with Bermuda grass....
view the full question and answer

Looking for rattlesnake flower
April 22, 2008 - I taught school for many years. The students and I identified wildflowers. I had one I call Rattlesnake Flower. It was small and had a little blue flower. On the leaves were little seed cases that...
view the full question and answer

Searching for a dye made from a French weed
June 09, 2009 - Dear Mr smarty plants, I watched a gardening show on cable and they talked about a place in France where they use a weed called Wod to make dye and dye fabric and several other items to sell. It was ...
view the full question and answer

Identification of volunteer tree
April 28, 2011 - I have a volunteer tree in my yard that has a mixture of serrated, non-serrated, and partially-serrated leaves on it. My tree identification guides all assume either serrated or non-serrated. How do...
view the full question and answer

Plant identification
June 01, 2010 - I was walking in the woods, near Dresden Michigan yesterday, in a deer friendly area, where we came upon a grouping of large, umbrella leaved plants, seemed to be interconnected and only one foot high...
view the full question and answer

Smarty Plants's Facebook profile Support the Wildflower Center by Donating Online or Becoming a Member today.

Mr. Smarty Plants wants you to be his Facebook friend. Click the Facebook icon to add yourself to Mr. Smarty Plants list of friends.
E-NEWSLETTER | BECOME A MEMBER | DONATE NOW | MEDIA | SITEMAP
© 2014 Lady Bird Johnson Wildflower Center