The floating liverworts of Essex
TQ(51)49 473,927 18 Hoghill Pond, Hainault. 1800. Edward Forster. Essex Naturalist
22:76.
47 ,95 ? 18 Floating in a pond between Abridge and Lambourne, 22 July
1883. (Note penned in the margin of a reprint of the Hepatics of
Suffolk Journal ofBotany 1885)
457,944 18 Muddy bottom of hoof-holcd dried up bottom of small cattle
drinking pond, in mats with Riccia fluitans, by west side of
Pudding Lane, Chigwell, 1970. Kenneth J Adams (this pond, one
of two together, was infilled in 1979, site now built on).
42 ,92 18 Pond by Luxborough Lane, Chigwell, 1917. P J Thompson. In
two ponds by Luxborough Lane, Chigwell, plentiful. 1926. D J
Scourfield. Disappeared from Luxborough Lane, 'some small
ponds by the lane, for long the only recorded station in Essex,
were searched in vain' 1932. Essex Nat. 24 p.54. Found on a
foray, 'new to Epping Forest' by D J Scourfield, 1930. Essex
Naturalist 23 ppl40 & 142. Lower (Lesser?) Wake Valley Pond,
1 942. J H G Peterken. Floating in a pond with Lemna trisulca
and L. minor, Epping Forest. VC18 14 March l942. BBS
Herbarium. National Museum of Wales. Cardiff.
419,985 18 The Bomb Crater Pond, Monk Wood, Epping Forest, 1959. Eric
Saunders and Bernard Tavener Ward.
415,967 18 Earl's Path Pond, Epping Forest, 16 October 1960 'fairly
plentiful, southern margin', David T Streeter, Kenneth J Adams
et al. (Queen Mary College Field Trip).
Earl's Path Pond, persisted until 1976 when the pond was
scoured out down to the gravel base having dried up completely
during an exceptional drought. Most of the silt was removed
changing the character of the pond. According to Sylvia Boyd-
Andrews a few thalli resurfaced in early June 1 977 following the
clean out, but they have not appeared since (2003) Kenneth J
Adams.
144
Essex Naturalist (New Series) 21 (2004)