JoJo Sardina
@jojosardina.bsky.social
Postdoc @ University of Oxford
Fan of the charophytes
Fan of the charophytes
Bonus field photos
September 5, 2025 at 1:00 PM
Bonus field photos
Chara vulgaris collected in Oxford, UK
September 5, 2025 at 12:59 PM
Chara vulgaris collected in Oxford, UK
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
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 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
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
Fertile male of the dioecious Chara australis
Check out the intricate patterns on the antheridium (male gametangium)
#phycologyfriday
Check out the intricate patterns on the antheridium (male gametangium)
#phycologyfriday
August 22, 2025 at 5:36 PM
Fertile male of the dioecious Chara australis
Check out the intricate patterns on the antheridium (male gametangium)
#phycologyfriday
Check out the intricate patterns on the antheridium (male gametangium)
#phycologyfriday
Chara globularis collected this weekend in Oxford
Is it me or do the oogonia look like SpongeBob’s home?🍍
Is it me or do the oogonia look like SpongeBob’s home?🍍
August 20, 2025 at 10:18 AM
Chara globularis collected this weekend in Oxford
Is it me or do the oogonia look like SpongeBob’s home?🍍
Is it me or do the oogonia look like SpongeBob’s home?🍍
Monoecious gametangia of Chara braunii
#PhycologyPhriday
#PhycologyPhriday
August 15, 2025 at 8:20 AM
Monoecious gametangia of Chara braunii
#PhycologyPhriday
#PhycologyPhriday
#PhycologyPhriday
Fertile branchlet whorls of a british Chara species (hispida?).
Can you spot the tiny oogonia?
Fertile branchlet whorls of a british Chara species (hispida?).
Can you spot the tiny oogonia?
May 16, 2025 at 2:52 PM
#PhycologyPhriday
Fertile branchlet whorls of a british Chara species (hispida?).
Can you spot the tiny oogonia?
Fertile branchlet whorls of a british Chara species (hispida?).
Can you spot the tiny oogonia?
#phycologyphriday
Got to examine some beautiful Chara hispida vouchers, one collected by G.R. Bullock-Webster
Thanks to the Oxford Herbarium for the tour
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
#phycologyphriday
Got to examine some beautiful Chara hispida vouchers, one collected by G.R. Bullock-Webster
Thanks to the Oxford Herbarium for the tour
Got to examine some beautiful Chara hispida vouchers, one collected by G.R. Bullock-Webster
Thanks to the Oxford Herbarium for the tour
Chara rusbyana (?) culture in Madison, WI
January 25, 2025 at 6:37 PM
Chara rusbyana (?) culture in Madison, WI