|
 An
Illustrated Guide to
Common Weeds
of New Zealand
Erigeron
karvinskianus
Mexican
daisy
Family
ASTERACEAE
 Reproduced
from
Common
Weeds of New Zealand
by Ian Popay, Paul Champion & Trevor James
ISBN 0 473 09760 5
by kind permission of the
New
Zealand Plant Protection Society
Publication or other use of images or descriptive
text on these pages is unauthorised unless written permission is
obtained from the authors and publisher.
Appropriate acknowledgement
of the publication Common Weeds of New Zealand must always
be given.
Available from Manaaki-Whenua
Press and Touchwood
Books
Sprawling evergreen
perennial daisy up to 30 cm tall. Flowers very similar to those
of common daisy, but leaves small, narrow and pleasant-smelling
when crushed.
- Flowers Very
similar to the daisy Bellis perennis. Pink, 15-25 mm
in diameter, with pink- or red-tipped ray florets and yellow disk
florets. Solitary or in few-flowered clusters. Flowers Sep-May.
- Fruit Sparsely
hairy achenes (seeds) 1-1.4 mm long, with a single row of long-haired
pappus.
- Leaves Small,
narrow, elliptical upper leaves. Lower leaves are often three-lobed.
Pleasant-smelling when crushed.
- Stems Long,
thin, ribbed, sparsely-hairy to smooth, rooting, sprawling, up
to 70 cm long.
Habitat
Rock walls, stony places,
dry waste places, road-sides, stream-sides and scrub.
Distribution
Garden escape now common
in NI. Occasional in SI in Nelson, Marlborough, Westland, Canterbury
and Otago. Originally from Mexico.
Comments
Listed on the National
Pest Plant Accord (see Introduction for details).
Derivation
of botanical name
Erigeron (Gr.)
= early old man, referring to fluffy, white seed heads; karvinskianus
after Wilhelm Friedrich Karwinski von Karwin, 19th cent.
German explorer.
Web-notes:
Weed Links
On this site
Reproduced from Common Weeds
of New Zealand:
External Links
 Weedbusters
New Zealand
- Weedbusters is a weeds awareness and education programme that aims to
protect New Zealand's environment from the increasing weed problem.
 New Zealand Weeds Key
- An interactive identification key to the weeds of New Zealand. Developed at Landcare Research.
New
Zealand Plant Conservation Network naturalised plants
- Search for information on more than 2500 naturalise and weedy plants.
 New
Zealand Plant Protection Society
- Their main objective: "To pool and exchange information on the biology
of weeds, invertebrate and vertebrate pests, pathogens and beneficial organisms
and methods for modifying their effects."
-
-
- Weed
Index for the Bay of Plenty
- Weeds information compiled by Environment Bay of Plenty.
-
 Massey
University Weeds Database- A site providing information about New Zealand weeds and weed control.
It has a series of pages showing pictures of New Zealand weeds, notes on
identification and control. It also provides information on a university
paper entitled Controlling Weeds.
-
- Canterbury
Weed Guide
- A weed identification guide prepared by the Christchurch City Council.
-
-
-
-
-
- Weeds in Australia
- Weeds website of the Australian Government.
Environmental Weeds in Australia
Part of the Australian Native Plants Society website.
- Weed
Society of Victoria
- Promoting wider awareness and interest in weeds and their management.
Includes a useful page of links
to other weed societies.
-
- Tamar
Valley Weeds Strategy
- Listing of common and botanical names, images, and information including
control methods for weeds found in Tasmania, and also weeds of national significance.
-
-
- Invasive
and Exotic Species of North America
- Images and other information from the University of Georgia.
-
- World
of Weeds
- Weed-related resources including weed science, practical tools, gardening
tips about controlling weeds, and environmental news updates.
-
- Invasive
Species Specialist Group
- "The ISSG aims to reduce threats to natural ecosystems and the native
species they contain by increasing awareness of invasive alien species,
and of ways to prevent, control or eradicate them."
- WeedScience
- Site that includes a comprehensive collection of weed images from around
the world.
-
-
 Books
on Weeds from FetchBook.Info
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