By A. J. E. Smith
This publication describes and illustrates the 760 species of mosses presently identified to happen within the British Isles and contains the main updated details on hand on class and nomenclature, together with contemporary synonyms. The descriptions offer info on frequency, ecology, geographical relationships and distribution, together with info on safe species and people species in danger. This moment variation accommodates the very substantial advances in our wisdom of mosses remodeled the final area of the 20 th century and may offer a distinct source for all inquisitive about those attention-grabbing organisms. First version Hb (1978): 0-521-21648-6 First variation Pb (1980): 0-521-29973-X
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Extra info for The Moss Flora of Britain and Ireland
Scopelophila (p. 334) Leaf shape various, widest below middle 144 144 Plants 1–10 cm high, leaf margins irregularly dentate with single or double teeth, mid-leaf cells 20–24 µm wide 110. Mnium (p. 0 cm high cm high, leaf margins entire to dentate above, teeth single, 145 145 Leaves ± erect, flexuose when dry, lanceolate to ovate-spathulate 122. Zygodon (p. 659) Leaves crisped when dry, lingulate to ligulate or linear-lanceolate 146 146 Leaves ligulate to lingulate, acute to obtuse, margins entire to dentate 23.
Hookeria (p. 698) Leaves dimorphic, mid-leaf cells 40–60 µm wide, very rare plant 129. Achrophyllum (p. 700) 220 Costa single, extending 1/2–3/4 way up leaf, mid-leaf cells 3–4 times as long as wide 143. Homalia (p. 722) Costa very short or if not then double, cells 4–20 times as long as wide 221 221 Stems pinnately branched, branches spreading 142. Neckera (p. 417) Stems irregularly branched, branches not spreading 267 34 Artificial key to the genera 222 Leaves abruptly narrowed to long apiculus from ovate to wider than long basal part 223 Leaf apices obtuse to rounded, apiculus if present short 228 223 Costa single, extending half way or more up leaf 224 Costa short or absent 226 224 Stems usually regularly pinnately branched, leaves imbricate when moist, plicate 183.
762) Margins of at least well developed leaves denticulate, perichaetial leaf margins spinosely denticulate, capsules inclined, plants dioicous 192. Platydictya (p. 861) 266 Plants forming silky red or red-tinged patches, auricles absent 193. Orthothecium (p. 863) Plants yellowish-green to green or brownish-green, not silky, auricles present or not 267 267 Leaf margins denticulate ± from base to apex 197. Herzogiella (p. 880) Leaf margins entire or denticulate only towards apex 268 268 Alar cells hyaline, longly decurrent, sometimes forming longly decurrent auricles (decurrent alar cells remain attached to stems when leaves are removed and are best viewed in situ) 194.
The Moss Flora of Britain and Ireland by A. J. E. Smith