Showing posts with label Bartramia. Show all posts
Showing posts with label Bartramia. Show all posts

Saturday, 13 October 2018

Holiday Bryophytes - lots of leskeas

Alpine habitat, La Tofane

We were in the Dolomites in July this year, our third visit to this fabulous mountain range in Northern Italy. Most of our attention was paid to the spectacular alpine flowering plants but we did note a few bryophytes.
 The subalpine forests have an extraordinary abundance of Rhytidiadelphus triquetrus and Hylocomium splendens (and lots of orchids, including Lady's Slipper) in stark contrast to our local, acidic Sitka forests with their abundant carpets of Rhytidiadelphus loreus

Rhytidiadephus triquetrus and Hylocomium splendens in spruce forest near Cortina

The geology is predominantly limestone and lots of typical calcicole bryophytes are represented plus some really nice mountain species that are rare in Britain. In the province of Belluno, between Cortina D'Ampezzo and the Falzarego Pass, some excellent trails took us above tree-line into alpine tundra where there were wallcreeper.  In the rocky tundra below La Tofane Ptychodium plicatum (Plaited Leskea) was growing with Saxifraga oppositifolia (Purple Saxifrage) on some sheltered limestone boulders. 

Ptychodium plicatum and Saxifraga oppositifolia, la Tofane

H and Mark on Wallcreeper twitch above Falzarego Pass

On a hike to the Rifugio Locatelli from the famous Tre Cime di Lavaredo we encountered small parties of snow finches flitting about rocks covered with Pseudoleskea incurvata.  Later, in the mountains above Selva in the Val Gardena we found some Pseudoleskea patens (Patent Leskea) which gave us a good opportunity to compare these very similar species. In the end we had to bring samples home to examine the shape of the mid-leaf cells to confirm their identities.

Pseudoleskea incurvata with Salix herbacea (Dwarf Willow) near Rifugio Lavaredo

Pseudoleskea patens, Selva

The short walk to Baita Monzoni in the Val San Nicolo near Pozza di Fassa follows a forest road through a moist, mossy subalpine forest. Bartramia halleriana (Haller's Apple-moss) and Campyllophyllum halleri (Haller's Feather-mosswere on the base rich rocks here - the latter is a Red DataBook moss in the UK. Nearby on a large limestone boulder at the side of the road we noted a large, striking mat of Pterigynandrum filiforme (Capillary Wing-moss). From Monzoni the trail climbs up, eventually, to the Pas de la Sele and allows access to an outstanding alpine flora which includes lots of saxifrages (e.g. the endemic Saxifraga depressa) and other nice things like Papaver rhaeticum (Alpine Poppy), Phyteuma sieberi (Sieber's Rampion), Primula glutinosa (Sticky Primrose) and Ranunculus glacialis (Glacier Crowfoot).

Bartramia halleriana near Baita Monzoni

Bartramia halleriana with capsules

Campylophyllum halleri near Baita Monzoni

Pterigynandrum filiforme on a boulder near Baita Monzoni

Pterigynandrum filiforme Baita Monzoni

On a trip to Sottogudo we walked along a narrow road through a spectacular gorge where  Orthothecium rufescens (Red Leskea) was hanging from dripping limestone outcrops. There were some nice clumps of Selaginella helvetica here too. 

Orthothecium rufescens, Sottogudo Gorge
Orthothecium rufescens, Sottogudo Gorge

Selaginella helvetica, Sottogudo Gorge

Although the landscape of the Dolomites is dominated by limestone there are some extensive cliffs and outcrops of more acidic igneous rock which support a different flora, e.g. on and around Forcia Neigra near Alba. Our attention was stolen by some nice cushions of Eritrichium nanum (King-or-the-Alps) but we also noticed some conspicuous dark cushions of Grimmia montana (Sun Grimmia).

Grimmia montana, Forcia Neigra

Sunday, 1 April 2018

Holiday hepatics

I made a 5 day visit to AndalucĂ­a and Extremadura (SW Spain) last week, and photographed a few bryophytes as well as looking at birds, flowers, butterflies etc.  The weather was rather damp, but that meant liverworts were looking great.  I didn't make any real effort to look at bryophytes, let alone collecting them, but it was great to see some rare British species in great abundance.  These included Bartramia stricta (photo), Cheilothela chloropus, Riccia nigrella (photo) and Targionia hypophylla (photo).  I only found Sphaerocarpos sp. (photo) once.



 Three liverworts that are absent from Britain were especially interesting: Riccia bicarinata (photo), R. lamellosa (photo) and the wonderful Oxymitra incrassata (photo).


Wednesday, 28 March 2018

Hirwaun Common crags

During an unplanned morning outing last Sunday, I ended up on the north-facing sandstone crags at the northern edge of Hirwaun Common, primarily in an attempt to add to the paltry total of 13 taxa for SN90H. As it happened I was slow getting out of Cwar Canwyllyr [Chandelier Quarry] within SN90G, which already had a respectable total of 111, although I was able to add an additional 20 spp. including some nice patches of Bartramia pomiformis, one of my favourite mosses.
Eventually, I did manage just short of an hour in the target square and managed to take the totals up to a not very impressive 65. The only highlights of any note on these dry acid slopes, with very few outcrops in the section I walked, were a few small that supported healthy patches of bryophyte vegetation. These included a few species of local interest such as Cynodontium bruntoniiBarbilophozia floerkei and Ptilidium ciliare.
isolated small crag supporting the species shown below
Ptilidium ciliare
Barbilophozia floerkei
Cynodontium bruntonii
rather mudane, rank Molinia-Eriophorum vaginatum on top of the hill
attractive, but very species-poor dry heath with co-doinant
Vaccinium myrtillus -Pleurozium schreberi slopes
view to west, looking across to the more interesting Craig y Llyn

Tuesday, 27 December 2016

Mellte bits and pieces

Also seen during yesterday's visit to the valley Plagiochila killarniensis (bifaria) in association with Bartramia pomiformis by the cliff path above Sgwd Clun Gwyn Isaf.
Barbilophozia attenuata and Zygodon rupestris on oak, plus Sanionia uncinata on a log below Sgwd y Pannwr.

Wednesday, 13 April 2016

Stanner shines in rainy Radnorshire

Grimmia decipiens under scrutiny
On Monday Sam led a BBS group around Stanner Rocks showing us a succession of rare Grimmia species and much more besides. Whilst the weather was not ideal for looking at the critical characters of this tricky genus, the liverworts were at their best and together with vascular plants, highlights came thick and fast and included Bartramia stricta, Frullania fragilifolia, Gagea bohemica, Grimmia decipiens, G. laevigata, G. lisae, G. longirostris (poss?), G. ovalis, Riccia beyrichiana, R. nigrella, R. subbifurca, Schistidium pruinosum, Sedum forsterianum, Silene viscaria, Targionia hypophylla, Teesdalia nudicaulis & Veronica spicata. Phew!
Above:
G. decipiens - G. lisae
G. longirostris - G. ovalis
Schistidium pruinosum

Below:
Bartramia stricta - Frullania fragilifolia
R. nigrella - Silene viscaria
Sedum forsterianum

a rather nice little community with Bartramia stricta, Sedum forsterianum, Silene viscaria, Targionia hypophylla, & Veronica spicata.
rain-soaked Rory taking an end of session record shot of rain-soaked Stanner