Mark A. Spencer
Consultant & forensic botanist. BSBI/LNHS. Urban plants, INNS, climate change, natural history museology. Criminal (missing persons, deposition scenes, trace evidence) & Civil procedures Expert Witness. LGBTQIA+, Sister of Perpetual indulgence, trans ally.
- Reposted by Mark A. SpencerThis #BlackHistoryMonth, ASPB is celebrating the many contributions and achievements of Black plant scientists!🌱 #PlantScience
- Reposted by Mark A. SpencerCan you find, identify & record 100 wild plants in 2026? BSBI is confident that (with our support) yes, you can! Beginner botanists, will you accept the challenge? Sign up today for #100Plants2026 challenge: bsbi.org/take-part/ac... Check out the webinars & #WildFlowerID help we've prep'd for you!
- Rest in peace Paria.
- One to save and quote. I’ve long had serious doubts about the promotion of the Miyawaki method in London.
- I often get asked about the Miyawaki method of forest restoration, usually by people who have heard extraordinary claims for it. Morales et al. (2025) have reviewed the evidence and found it to be weak or absent. 🌏🧪🌳🌲 besjournals.onlinelibrary.wiley.com/doi/10.1111/...
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- All too often we hear optimistic ‘aided migration’ narratives for tree spp. This study shows it’s not that easy/viable - what a surprise. I also wonder what shifts in light levels would do too.
- 🚨New paper!🚨 Models predict trees like beech will migrate north as climate warms, but rarely consider tree reproduction. Jessie shows these “refuges” are exactly where climate warming will disrupt seed production the most. They may not be such great climate refuges after all. doi.org/10.1111/ele....
- Reposted by Mark A. SpencerMicroflora Danica: What can you learn from collecting and sequencing 10,000+ samples from a single country? Check out our new paper in @nature.com to find out. Incredible work led by Caitlin Singleton, Thomas B. N. Jensen, and Mads Albertsen from @aau.dk. 🦠🧫🧬 www.nature.com/articles/s41...
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- Reposted by Mark A. SpencerOf the 8000 plant species introduced to cities around the world, about 300 are in cities on every continent and about 90 are basically in every city. Urbanization has selected for a common set of species that are the fingerprint of our activity: The urban florome. onlinelibrary.wiley....
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- Reposted by Mark A. SpencerHappy International Day of LGBTQIA+ People In STEM! How are you celebrating it? #LGBTQSTEMDay #PrideInSTEM
- I've been working with the Biological Recording Company for several years doing plants and fungi oriented events, including these two: biologicalrecording.co.uk/2025/11/11/r...
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- Reposted by Mark A. SpencerI grew a small watermelon! 9cm diameter. To my surprise, there's watermelon in my watermelon! 🍉 #gardening
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- Reposted by Mark A. SpencerThe trailblazing transgender rights activist Miss Major has passed away at the age of 78. Miss Major was a lifelong organizer and participant in the ballroom scene. She took part in the 1969 Stonewall Riots and was injured by the police — but she kept fighting.
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- From a biodiversity perspective, the Greenwich Peninsula development in London is one of the most god-awful pits of cynical greenwashing I’ve ever encountered. Not so long ago, there were wild rabbits here.
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