Myosotis arvensis

Tracheophyta MagnoliopsidaBoraginaceaeMyosotisMyosotis arvensis

Ecology

An annual or biennial herb of open or disturbed ground, especially cultivated fields. Other habitats include woodland edges, open grassland, hedges, scrub, roadsides, walls and quarries. 0-610 m (Nenthead, Cumberland), and exceptionally at 845 m on Great Dun Fell (Westmorland).

Status

Archaeophyte

World Distribution

As an archaeophyte M. arvensis has a Eurosiberian Boreo-temperate distribution; it is widely naturalised outside this range.

© Shannon, P

Broad Habitats

Light (Ellenberg): 7

Moisture (Ellenberg): 5

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 6

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.5

July Mean Temperature (Celsius): 14.6

Annual Precipitation (mm): 1056

Height (cm): 40

Perennation - primary

Annual

Life Form - primary

Therophyte (annual land plant)

Comment on Life Form

"""Occasionally perennating"" - CTW"

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 2577

Count of 10km squares in Ireland: 748

Count of 10km squares in the Channel Isles: 8

Atlas Change Index: -0.34

Weighted Changed Factor: -2

Weighted Change Factor Confidence (90%)

21

JNCC Designations

NBNSYS0000004012

Atlas text references

Atlas (215a)
Grime JP, Hodgson JG, Hunt R
1988.  Comparative Plant Ecology.
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Rich TCG, Jermy AC
1998.  Plant crib 1998.