Rare Plant Register for Huntingdonshire - Botanical Society of the ...

This is a rare but locally abundant species of our more acid fen peats. At Holme Fen, it is has
declined in abundance as a result of the closing over of the birch canopy (Wells, 2003).
Mycelis muralis (L.) Dumort.
Wall Lettuce
National Status: Not scarce, not threatened County Status: Rare (3 sites, 3 tetrads)
Site Grid Reference Last Record
Holme Fen SSSI, Holme Lode Covert TL20658916 2009 (DB)
Huntingdon, All Saint’s Church TL239718 2011 (SS)
Paxton Pits TL1862 2006 (AD)
This rare species occurs in a range of conditions. At Holme Fen it is locally abundant on peat
under birch trees, in Huntingdon it is a denizen of old walls while at Paxton Pits it can be
found on bare gravelly substrates associated with old gravel workings.
Myosotis discolor Pers.
Changing Forget-me-not
National Status: Not scarce, not threatened County Status: Scarce (9 sites, 11 tetrads)
Site Grid Reference Last Record
Brampton Wood SSSI TL183699 2008 (DB)
Diddington Wood bridleway TL17356651 2008 (DB)
Holme Fen SSSI TL1989 2006 (MM)
Jones’s Covert, north of (CP) TL160939 2005 (NC)
Meadow Lane Gravel Pits TL325703 2004 (BM)
Monks Wood SSSI TL1980 (monad) 2008 (DB)
Orton Pits SSSI TL1694 (tetrad) 2005 (DB)
Paxton Pits TL19916255
Woodwalton Fen SSSI & SAC:
Compartment 85
unspecified
55
TL19696296
TL232833
TL23388515
2009 (DB)
2010 (DB)
2008 (MM)
2008 (DB)
Woodwalton Marsh SSSI TL212812 2002 (TW)
All our plants appear to be ssp. dubia. An uncommon species of ancient woodland rides, old
grassland and fen grassland.