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marguerite blanche, ox-eye daisy, oxe eye daisy

Portugese daisy, Portuguese daisy

Habit Perennials, 10–30(–100+) cm. Perennials, 30–120(–200+) cm.

simple or distally branched.

simple or distally branched.

Basal leaves

petioles 10–30(–120) mm, expanding into obovate to spatulate blades 12–35(–50+) × 8–20(–30) mm, margins usually pinnately lobed (lobes 3–7+) and/or irregularly toothed.

petioles 30–60+ mm, expanding into lanceolate blades 50–100+ × 15–30+ mm, margins not lobed, usually toothed, sometimes entire.

Cauline leaves

petiolate or sessile;

blades oblanceolate or spatulate to lanceolate or linear, 30–80+ × 2–15+ mm, margins of mid-stem leaves usually irregularly toothed proximally and distally.

± petiolate or sessile;

blades elliptic to oblanceolate, 30–120+ × 12–25(–35+) mm, margins of mid-stem leaves usually entire proximally, regularly serrate distally.


12–20+ mm diam.

(18–)25–35 mm diam.

Ray florets

usually 13–34+, rarely 0;

laminae 12–20(–35+) mm.


laminae 20–25(–35) mm.


(the larger) 2–3 mm wide.

(the larger) 3–5 mm wide.

Ray cypselae

1.5–2.5 mm, apices usually coronate or auriculate.

3–4 mm, apices usually auriculate adaxially.


= 18, 36, 54, 72, 90.

= 198.

Leucanthemum vulgare

Leucanthemum lacustre

Phenology Flowering spring–fall. Flowering spring–summer.
Habitat Disturbed places, meadows, seeps, clearings Disturbed places, meadows, seeps, clearings
Elevation 0–2000 m (0–6600 ft) 0–50 m (0–200 ft)
from FNA
AK; AR; AZ; CA; CO; CT; FL; IA; ID; IL; IN; KS; MA; MI; MO; MT; ND; NM; NV; NY; OH; OK; OR; PA; SC; SD; TN; UT; VA; WA; WI; WV; WY; AB; BC; ON; QC; SK; Europe; widely adventive [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; Europe (Portugal) [Introduced in North America]
[BONAP county map]

Some botanists (e.g., W. J. Cody 1996) have treated Leucanthemum ircutianum de Candolle, with blades of mid and distal cauline leaves oblong to oblong-lanceolate and not ± pinnate at bases, as distinct from L. vulgare.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 19, p. 558. FNA vol. 19, p. 559.
Parent taxa Asteraceae > tribe Anthemideae > Leucanthemum Asteraceae > tribe Anthemideae > Leucanthemum
Sibling taxa
L. lacustre, L. maximum
L. maximum, L. vulgare
Synonyms Chrysanthemum leucanthemum, Chrysanthemum leucanthemum var. pinnatifidum Chrysanthemum lacustre
Name authority Lamarck: Fl. Franç. 2: 137. (1779) (Brotero) Sampaio: Lista Espécies Herb. Português, 132. (1913)
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