JoJo Sardina
banner
jojosardina.bsky.social
JoJo Sardina
@jojosardina.bsky.social
Postdoc @ University of Oxford
Fan of the charophytes
Pinned
Fertile male of the dioecious Chara rusbyana

The orange spheres are the male reproductive structures (“antheridia”)

They are protected by intricately crafted “shield cells” (transparent outer layer), which unfold prior to mating
Chara vulgaris collected in Oxford, UK
September 5, 2025 at 12:59 PM
Fertile male of the dioecious Chara rusbyana

The orange spheres are the male reproductive structures (“antheridia”)

They are protected by intricately crafted “shield cells” (transparent outer layer), which unfold prior to mating
August 25, 2025 at 11:09 AM
Fertile male of the dioecious Chara australis

Check out the intricate patterns on the antheridium (male gametangium)

#phycologyfriday
August 22, 2025 at 5:36 PM
Chara globularis collected this weekend in Oxford

Is it me or do the oogonia look like SpongeBob’s home?🍍
August 20, 2025 at 10:18 AM
Monoecious gametangia of Chara braunii
#PhycologyPhriday
August 15, 2025 at 8:20 AM
Reposted by JoJo Sardina
📢 To all molecular mossers 📢

The Moss Workshop will be held in (not always as sunny as this) Oxford next year (30th June until 2nd July 2026). More details will follow soon, but in the meantime please make a note of the dates 😃 👍
August 14, 2025 at 1:54 PM
Reposted by JoJo Sardina
Registration for the EMBO workshop ‘Plant evolution: from origins to diversification on land’ closes on 25th August. Don’t miss it! More details can be found here: meetings.embo.org/event/25-pla... 🌱 😀
Plant evolution: from origins to diversification on land
The evolution of plants – photosynthetic eukaryotes resulting from the endosymbiosis of a cyanobacterium and a non-photosynthetic host cell – transformed the earth system by reducing the amount of CO…
meetings.embo.org
August 12, 2025 at 5:54 AM
Chara is cool
May 19, 2025 at 12:40 PM
#PhycologyPhriday

Fertile branchlet whorls of a british Chara species (hispida?).

Can you spot the tiny oogonia?
May 16, 2025 at 2:52 PM
#phycologyphriday

Got to examine some beautiful Chara hispida vouchers, one collected by G.R. Bullock-Webster

Thanks to the Oxford Herbarium for the tour
May 9, 2025 at 6:40 AM
Chara rusbyana (?) culture in Madison, WI
January 25, 2025 at 6:37 PM