Tetrad Hunts

Tetrads for which we want records - any records - even Common Daisy!

Explainer: A "tetrad" is a collection of four monads (1km squares) used for recording and mapping of plant locations. Each tetrad starts on an even numbered northing and easting monad and includes the monads north, east and northeast of that square.

These 2km squares are mostly unrecorded - which will mean little gaps in the forthcoming Flora's maps of distribution for plants that are probably present. So no need to search for rarities (but by all means do!) but please let us know if you find anything at all. (This includes Purple Moor-grass and Bracken!)

Note that only one 1km square from the list need be recorded but the wider the coverage (recorded by monad) the better.

This is a revised list (August 2024) taking into account those now done or plannned imminently by Brecknock Botany Group.

SN7814 SN7914 SN7815 SN7915 back of Black Mountain. I suggest the footpath north from the picnic area at SN 7915 1273.

SN8016 SN8116 SN8017 SN8117 even more remote Black Mountain!

SN8018 SN8118 SN8019 SN8119 Banwen Gwys also on the Black mountain.

SN8218 SN8318 SN8219 SN8319 on the Beacons Way in both directions

SN9020 SN9120 SN9021 SN9121 (Above Cwm Senni)

SN9056 SN9156 SN9057 SN9157 (Lan Ddu) (A hard one to do!)

SN9418 SN9518 SN9419 SN9519 Fan Dringarth - quite a trek !

SO0811 SO0911 (Remote Mynydd Llangynidr). Only parts of the northern two monads

SO2228 SO2328 SO2229 SO2329 Pen y Gader Fawr.

This page: since Feb 2023.