Common Hepatica/Liverwort/blåsippa. Värmland, Sweden (April 16, 2022).
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Common Hepatica/Liverwort/blåsippa. Värmland, Sweden (April 16, 2022).
Hepatica nobilis
Lately I don't give you much time to breathe between posts, but there's still so much I want to show before Pyrkon! Then on Thursday I'm shutting up for a few days, I promise, lmao
Here's the print many of you have been asking for, and I was happy to deliver, anything Witcher related is awesome to draw and I had fun figuring out a matching vibe with Regis portrait I've done a year ago <3
Cribraria rufa amongst liverwort
by Andy Sands
Reminding myself to be like nature, which always finds a way.
Podcast Episode · In Defense of Plants Podcast · February 22 · 49m
In Defense of Plants Podcast: 
The Wonderful World of Bryophytes
Bryophytes, AKA mosses, liverworts, and hornworts, are ubiquitous components of ecosystems around the world yet they are all too often underappreciated.
Luckily, people like Brittney Miller are doing everything in their power to change that. What started with immense frustration turned into a life-long love affair with all things bryophyte.
Join us for a wonderful deep dive into the secret world of these tiny plants
This weeks microscopy features Marchantia polymorpha (Marchantiaceae), a species of thallose liverwort! Called the ‘common liverwort’ this species is probably the most well known of thallose liverworts. It is found on every continent except Antarctica and is used as a model organism. It can often be a horticultural weed and is very commonly seen in potted plants at nurseries. Which is exactly where I picked up this specimen. I had bought tubestock of an Acacia specifically for the reproductive Marchantia it contained, not actually for the Acacia.
There’s a few features I wanted to share (and part of why I got soooo excited when I saw this plant).
First off, air pores! These are almost the equivalent of stomata in higher plants. Their function is in gas exchange and they are those pin-prick like features surrounded by a whitish circle.
Next, a gemmae cup! For Marchantia these cups are circular (as opposed to crescent-shaped like in Lunalaria). Gemmae cups house asexually-produced gemmae that disperse via water. You can just make out some of them in the centre here.
Now we have my two favourite photos from the whole shoot. These are archegoniophores, which contain the female sex organs. They're stalked and tall and just stunning. Let's look at their underside.
These are mature sporophytes on the underside of the archegoniophore. They're orange/yellow and actually look like mini flowers or something. You can just make out the feathery fine threads of spores on the first image there. They're gonna go off and make the next generation of Marchantia.
Lastly we have an antheridiophore. These contain the male sex organs. There was only one on the specimen I got but thankfully it worked out, it wasn't too old to get goof photos of.
Anyway, hope you've enjoyed this little Marchantia appreciation post. I loooooove liverworts and need to make time to photograph more of them.