Flora of North America species comparison

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Microseris borealis

apargidium, bog microseris, northern microseris, northern silverpuffs
Habit Perennials, 15–70 cm; rhizomatous, with fleshy adventitious roots.
Stems

0.
Leaves

basal; petiolate;

blades mostly oblanceolate, rarely linear, 5–30 cm, margins entire or remotely denticulate, apices acute or acuminate, faces glabrous.
Peduncles

erect (15–70 cm) ebracteate.
Involucres

broadly to narrowly ovoid in fruit, 10–18 mm.
Florets

18–50;

corollas yellow-orange, surpassing phyllaries by 5+ mm.
Phyllaries

(not purple-spotted, apices erect) outer lanceolate to linear-lanceolate, apices acuminate, abaxial faces glabrous or black-villous;

inner lanceolate, apices acute, both faces usually lightly black-villous.
Cypselae

columnar or arcuate near bases, 4–8 mm;

pappi of 24–48, brownish, barbellate bristles 5–10 mm (bases of bristles sometimes slightly widened).
2n

= 18.

Microseris borealis
Phenology Flowering Jun-–Sep.
Habitat Mostly coastal and montane sphagnum bogs, other wet sites from lowlands to alpine in n part of range
Elevation 0–1800 m (0–5900 ft)
Distribution
from FNA
AK; CA; OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 19, p. 340.
Parent taxa Asteraceae > tribe Cichorieae > Microseris
Sibling taxa
M. acuminata, M. bigelovii, M. campestris, M. douglasii, M. elegans, M. howellii, M. laciniata, M. nutans, M. paludosa, M. sylvatica
Synonyms Apargia borealis, Apargidium boreale, Scorzonella borealis
Name authority (Bongard) Schultz-Bipontinus: Jahresber. Pollichia 22–24: 310. (1866)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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