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Compositae.
Eupatorium riparium C. H. Schultz. Mist flower. Established on banks in a cemetery, Wellington, where it withstands frequent cuttings.
Lagenophora gunnii (Hook. f.) Black. Occurs in pastures and waste land near Motueka and Riwaka.
Vittadinia triloba (Gaud.) D.C. Has been noted at Ruby Bay near Mapua; Okaramio, Kaituna Valley; Blind River, Seddon. Specimens answering to var. lanuginosa Black have been collected from the Kaiwarra River, North Canterbury.
Anthemis nobilis Linn. Common chamomile. The species was recorded originally by Hooker (1867, p. 760) for Auckland on the authority of Kirk, and it was later recorded by Kirk (1899, p. 319) as “apparently well established” at the Bluff, Southland; this latter record is omitted by Allan (1940). It has recently been found in lawns near Featherston, E. A. Madden! J. Carne Bidwill!
Solidago canadensis Linn. Golden rod. Noted by Allan (1940,
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p. 296) as an escape in the North Island, this species has been found established on roadsides and in waste places at Nelson, Motueka, Riwaka, Tasman, Blenheim.
Bidens tripartita Linn. Beggar's ticks. Recorded from the North Island only (Allan, 1940, p. 151), has now been found to be well established about a lake in a bird sanctuary near Cheviot. There is also an immature specimen without collector's name in the Plant Research Bureau Herbarium from Rotherham. Since the fruits are modified for animal dispersal, it is likely that the species will be noted elsewhere in the Cheviot district due to the wanderings of ducks, etc.
Galinsoga parviflora Cav. Yellow weed. Recorded from several localities in the North Island, this species has been noted as abundant in cultivated land (tobacco and tomato fields, etc.) at Nelson, Appleby, Motueka, Riwaka; also occurs on roadsides and in waste places.
* Chrysanthemum sp. Allied to and probably derived from C. lacustre Brot. or C. maximum Ramond, this garden escape forms dense thickets (to 6 feet high) on roadsides and in waste places in some localities in both islands—Feilding, Aorangi, Palmerston North, Woodville, Porirua, Wellington, Blenheim, Motueka, Nelson, Riwaka.
Centaurea melitensis Linn. Malta thistle. This species is thoroughly established on the bluffs above the Hurunui River, below the Hurunui Hotel; it is also well dispersed in modified tussock grassland, Mt. Benger Station, Mt. Alexander Station, and Hitchen Hills, North Canterbury.
Carduus nutans Linn. Musk thistle. Previously recorded for the South Island (Allan, 1940, p. 167), this plant has been found in several parts of the North Island—Maungaturoto, North Auckland, J. McRae! Rissington, Hawke's Bay, J. N. Palmer! Wangaehu, J. V. Blythe! Wellington, B. C. Aston!
* Carduus pycnocephalus Linn. Winged thistle. This name was first used for New Zealand specimens by Kirk (1899, p. 353) and applied to specimens belonging to C. tenuiflorus Curt. The true C. pycnocephalus has been recently collected from the Matai River, Nelson, V. D. Zotov, and is established in waste places and pastures at Appleby and Richmond, Nelson.
Mycelis muralis (Linn.) Rehb. Ivy-leaved lettuce. Recorded from Jollie's Pass, Hanmer, by Allan (1940, p. 179) and the Stanton River, Waiau, by Healy (1943, p. 330); its distribution has been extended southwards by its discovery in waste places and plantations about Cheviot, and in scrub along the Hurunui River near Ethelton.
Lactuca virosa Linn. Acrid lettuce. Recorded for several North Island localities by Allan (1940, p. 179), the plant has been noted as established about Picton, Spring Creek, Tua Marina, and Blenheim.
Lactuca saligna Linn. Willow lettuce. This species was recorded by Kirk (1899, p. 361) for Petane, Hawke's Bay; it has been recently found at Gisborne, E. M. Ojala! and immature specimens from Nelson appear to belong to the same species.
[Footnote] * Species recorded for the first time in New Zealand.
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Onopordon acanthium Linn. Scotch thistle. Recorded by Smith (1904, p. 220) for Ashburton, this species was recently noted on ballast (of English origin), Wellington Harbour.
Crepis setosa Hall f. Hispid hawkweed. Noted as occurring about Auckland and environs (Allan, 1940, p. 180) this species has been found at Gisborne, P. Haugh! and is well established in waste places and on roadsides at Nelson, Riwaka, Richmond, Motueka, and Blenheim.
Hieraceum pilosella Linn. Mouse-eared hawkweed. Previously recorded from the South Island, has now been found in several North Island localities; in pastures, Argyll, Southern Hawke's Bay, D. McDonald! Frequent to common in open country through the North Ruahine Ranges, V. D. Zotov! Reporoa Bog, Ruahine Ranges, V. D. Zotov! St. Andrews, Timaru, and well established in modified tussock grassland, Kaiwarra River, North Canterbury.