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Donncha Ó Catháin

@donncha-oc.bsky.social

80 Followers  |  152 Following  |  19 Posts  |  Joined: 14.11.2024  |  1.6181

Latest posts by donncha-oc.bsky.social on Bluesky

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Nice afternoon of botanising in Sliabh Aughty, Co. Clare. Highlights - a new site for gametophyte of Killarney fern and 2nd county record for Polystichum x bicknellii (hybrid between P. aculeatum and P. setiferum) Need to confirm ID of latter but it seem to fit the description 🤞

12.10.2025 18:57 — 👍 11    🔁 3    💬 0    📌 0
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Wood-name townlands of Clonderlaw barony Co. Clare

Trees in the placenames are Oak (Doire/Derry); Alder (Fearnán/Fearnóg) & Holly (Cuileann)

In 1655 there were 1670 acres of wooded lands recorded consisting of

-Timber trees 701 a
-Young Wood 304 a
-Old Wood 361 a
-Shrubs 324 a

11.10.2025 22:06 — 👍 5    🔁 2    💬 0    📌 0

There's a definitely a learning curve with sedges (I'm still learning!) but it's rewarding when you start to recognize them in the field!
The BSBI handbook has v. good B&W line drawings that I find very useful. Good luck 🍀

29.05.2025 07:33 — 👍 1    🔁 0    💬 0    📌 0

Hi Margaret, I think there are two sedge species in your photos - possibly Carex nigra (only male flower in view showing yellowish anthers) & a species of Eleocharis (E. palustris maybe)

28.05.2025 22:59 — 👍 1    🔁 0    💬 1    📌 0
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Sedges from a base-rich mire in Co. Clare yesterday. (Carex panicea, C. viridula subsp oedocarpa, C. dioecia & C. diandra) #wildflowerhour

25.05.2025 19:44 — 👍 20    🔁 1    💬 1    📌 0
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Cranberry (Vaccinium oxycoccus) putting on a great display #wildflowerhour

25.05.2025 19:34 — 👍 23    🔁 1    💬 0    📌 0
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Early marsh orchid (Dactylorhiza incarnata subsp pulchella) in Co. Clare #wildflowerhour

25.05.2025 19:30 — 👍 27    🔁 3    💬 0    📌 0
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Cranberry (Vaccinium oxycoccus) #wildflowerhour

27.04.2025 19:48 — 👍 43    🔁 2    💬 0    📌 0
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Some interesting #lichens & #liverworts seen today in old woodland.

24.04.2025 18:26 — 👍 28    🔁 3    💬 2    📌 0

Lovely! some filmy-ferns in the last pic too 🍀

25.04.2025 10:16 — 👍 2    🔁 0    💬 1    📌 0
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The fresh leaves of the Fraochán (bilberry) brighten up the woods on a rainy evening. Co. Clare.

18.04.2025 20:40 — 👍 7    🔁 0    💬 1    📌 0
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A freshwater macroalga - Delicate Stonewort (Chara virgata) - from a mire habitat. Co. Clare.

14.04.2025 18:39 — 👍 6    🔁 0    💬 0    📌 0
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Glistening in the evening sun: two mosses, Bryum pseudotriquetrun & Campylium stellatum

13.04.2025 20:34 — 👍 3    🔁 0    💬 0    📌 0
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Marsh Violet (Viola palustris) #wildflowerhour

13.04.2025 19:49 — 👍 61    🔁 5    💬 2    📌 1
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Bogbean (Menyanthes trifoliata) #wildflowerhour

13.04.2025 19:47 — 👍 73    🔁 10    💬 1    📌 0
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Sphagnum in the limelight

06.04.2025 08:38 — 👍 5    🔁 1    💬 0    📌 0
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Nice to find the scarce Sphagnum teres in the base rich mire in east Co. Clare. It is classified as having 'Near Threatened' status in Ireland

05.04.2025 21:00 — 👍 5    🔁 1    💬 0    📌 0
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Lakes in Ireland - Mirrors of Change.

Available to download here: oar.marine.ie/handle/10793...

Edited by @cathdalt.bsky.social @ejen.bsky.social and @edeeyto.bsky.social with chapter contributions from 52 authors and sponsorship from state agencies & HEIs

Limited print copies available - DM me

11.12.2024 11:44 — 👍 27    🔁 10    💬 1    📌 0

Are you interested in the history, geography, biology and sociology of lakes in Ireland?
Take a look at our new book, with contributions from 52 people working in the area, and edited by @cathdalt.bsky.social and @ejen.bsky.social

#OpenAccess link below ⬇️⬇️⬇️💦🌊🐟🦆🦟🪲

03.12.2024 11:27 — 👍 27    🔁 9    💬 0    📌 0
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Derrygarve Lake near Connolly, Co. Clare today.

22.11.2024 23:37 — 👍 6    🔁 1    💬 0    📌 0
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Argyll's atlantic woodlands were bursting with life last week including the wonderfully named:

Hazel Gloves (Hypocreopsis rhododendri)

Frilly-fruited Jelly Lichen (Leptogium burgessii)

Yellow Specklebelly (Pseudocyphellaria citrina)

Deceptive Featherwort (Pseudomarsupidium decipiens)

17.11.2024 17:02 — 👍 134    🔁 16    💬 3    📌 0

So sad that Roy Maycock is no longer with us but great that people are celebrating his long & full life, and all his contributions to nature conservation.
BSBI County Recorders eg @sarahlambert7.bsky.social @astridbiddle.bsky.social @donncha-oc.bsky.social & @trisnorton.bsky.social do amazing work!

16.11.2024 17:49 — 👍 20    🔁 3    💬 1    📌 0

Hello BlueSkiers! I’ve made a starter back of people working on rewilding and similar things in UK and Ireland. Many more to add but it’s a start.

go.bsky.app/A7v5ZUQ

09.11.2024 18:33 — 👍 225    🔁 96    💬 30    📌 11
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Nice oak woodland fragment near Ennistimon, Co. Clare.

14.11.2024 21:55 — 👍 4    🔁 0    💬 0    📌 0
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Chevy Chase Wood, Co. Galway.

14.11.2024 21:47 — 👍 2    🔁 0    💬 2    📌 0