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Visited a Sphagnum bog this week - there to look at the bryophytes but also fun to check in on the desmid algae situation! These tiny green jewels were hiding in submerged Sphagnum cuspidatum

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I was introduced to a tiny moss (new to me) at the weekend on our BBS London group walk over chalk grassland. Seligeria calycina grows directly on the chalk, visible from afar only as small dark brown patches around the edge of pebbles.

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Porella platyphylla - a lovely big leafy liverwort, always a nice one to find. We spotted this one on the London BBS local group outing today. Sunshine and liverworts - top day!

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I'm thrilled to share news of my new book - Mosses, Liverworts and Hornworts of the World - which is now available for pre-order at some book shops and will hit the streets in August. Published by Princeton University Press: tinyurl.com/Mosses-of-th...

submitted 16 days ago • 3 comments

Thamnobryum alopecurum reaching lofty heights in South London woodland. Usually a moss of the forest floor, don't think I've seen this as an epiphyte before!

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💚 Happy Valentine's Day 💚

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Lophocolea heterophylla, perhaps the commonest leafy liverwort in Britain, looking lovely with capsules elongated on translucent seta. Happened upon on a rotting log on South London woodland. #MossMonday sensu lato!

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Zygdon conoideus in South London woodland this weekend #MossMonday

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Had a lovely time with Leucobryum in the forest earlier today

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For #MossMonday looking back to a wonderful mossin' trip to Hungary last spring. Here are just some of the nice pleurocarpous (mat forming) mosses encountered - names in the alt text!

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Frosty Bryum capillare waiting for the thaw

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It's #MossMonday and here's a very lovely cushion of Campylopus atrovirens var falcatus encountered on a trip to Inner Hebrides, Eigg, in 2015

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A silky carpet of the moss Dicranella heteromalla in woodland-heath of South London - very tactile 💚

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For #PhycologyFriday here's some lovely Dictyota with iridescent Chondrus crispus. From an amazing trip to Inner Hebrides back in 2016 💚

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Syntrichia montana looking nice and hydrated on a damp morning

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For #MossMonday here's a beautiful cushion of the moss Imbribryum alpinum on a riverside boulder - from a trip around North Wales back in 2013!

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Just arrived - and here's my favourite liverwort Pleurozia gigantea to celebrate!

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It's National Moss Day, YES! Mosses (and liverworts) are amazing, how about looking closely at some today and marvelling at their miniature world

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There has never been a more critical time to conserve seaweed diversity and determine species at risk of decline. Today at #EPC8 I talk about our work on a Red List of British Seaweeds. New paper 👇@NHM_Botany @NHM_Science @ZSLScience rdcu.be/dknht

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First day of the European Phycological Congress #EPC8 - a huge gathering of algal researchers from across the globe. There is science..... but also art!

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I took a trip to Meise Botanic Garden herbarium to study the African bryophyte collections and I wrote about it here ⬇️@NHM_Botany @BBSbryology @BGM_coll_res britishbryologicalsociety.org.uk/society-news/b…

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Annual pilgrimage to our local bluebell woodland - Surrey, England #bluebells

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An algal find from the English Lake District last month whilst out with @BBSbryology - a lovely freshwater red - probably Paludicola turfosa - #phycologyfriday

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My PhD thesis brings together a decade of taxonomic detective work on the moss family Orthotricaceae in tropical Africa, Madagascar & Indian Ocean Islands and is available now on @ResearchGate: researchgate.net/publication/36…

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Autumn 😍

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Elaborately pressed herbarium specimen of the day: brown seaweed Mesogloia vermiculata, collected by Edward George, 1895, Isle of Man

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Nice to find the occasional mini-painting when searching through herbarium specimens; this specimen a tropical Macromitrium possibly from Mauritus, collected mid 1800s @NHM_Botany

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Not sure what I expected to find at the back of the freshwater spirit store... definitely not a box of gremlin balls

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Today I was asked, 'what's the most "exotic" specimen in the seaweed herbarium?' ...Immediately retrieves Claudea elegans folder...:

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New paper out now where we say goodbye to 15 superfluous names in Schlotheimia (Orthotrichaceae) from tropical Africa - Indian Ocean Islands tandfonline.com/doi/full/10.10…

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Easter Monday mosses in #Croydon woodland amidst snow showers and sunshine: Leucobryum juniperoideum, Ceratodon purpureus & Tetraphis pellucida

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A soggy yet atmospheric day at Thursley Common, Surrey, searching for desmid algae. Such an interesting site. With thanks to James Giles reserve manager for coming out with us 👍

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I don't normally tweet about the 'drier algae' otherwise known as flowering plants but I got a free coffee in South Ken this morning so thank you @LPQUK cafe and thank you Coffea genus #InternationalCoffeeDay

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Spent time with our #Cyanobacteria this morning @NHM_Botany, upgrading knackered folders etc as part of planning work to digitise this collection. Various curatorial tasks needed before a collection ready to digitise so helpful to be able to estimate how long these will take!

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Probably the largest specimen in Algae @NHM_Botany, getting an outing to measure dimensions. Alaria seaweed collected by Edward George on his holidays in Whitby, June 1866. Imagining him trying to press this in a local guest house...

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Saying hello to our kelp forest seaweeds on first day back in the museum after many months apart

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Kelp forest off Orkney coast found to date back 16,000 years to last ice age: bbc.com/news/uk-scotla…

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Finally finishing off a manuscript I had 'nearly finished' about a year ago.... Tropical moss Schlotheimia's taxonomic updates... Lots of superfluous name squashing which feels very therapeutic.

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Nick Stewart presenting #BPS2020 @bps_algae conference about loss of Charophytes from lakes due to nutrient pollution, makes point that covering of water hides this dramatic biodiversity loss from public eye...

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When French poetry meets seaweed pressing... One of the 129 Algal bound volumes @Edgley_Cesar & I have just finished checking over for our audit week! @NHM_Botany

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Updating documentation & auditing collections today.... good excuse to rumage in folders thus finding these most excellent #bookplates from library of T.B. Blow, #charophyte collector extraordinaire.

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NHM #Charophyte collections poster is up at #BSBIExhibitionmeeting today; take a look to see what's been keeping the algal team busy this past year in the herbarium @NHM_Botany @Nitellae

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yay look what I just found, more amazing big seaweed pressings from Mr George's holiday to Whitby in 1866

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If you're working late in the herbarium this Halloween night and hear a purr... dont be afraid it's only Cryptogamic-Kitty out catching some ghost mice 👻

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Dipping into my "tours folder" this afternoon, nice to get some of my favourite thong weed specimens out - Himanthalia elongata - pressed by E. George

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