Flora of North America species comparison

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Erigeron glacialis

Erigeron glacialis var. glacialis

glacier fleabane, subalpine fleabane, wandering fleabane
Photo is of parent taxon

peregrine fleabane, subalpine daisy, subalpine fleabane, wandering fleabane
Habit Perennials, 5–55(–70) cm; rhizomatous, fibrous-rooted, caudices usually simple, thick.
Stems

erect to ascending, hirsute or hirsuto-villous to densely strigillose (hairs loosely appressed, slightly crinkled), eglandular.

Leaves

basal (usually persistent) and cauline;

basal blades linear-oblanceolate to broadly lanceolate or spatulate, (20–)30–160(–200) × 7–45 mm;

cauline gradually reduced distally (bases distinctly subclasping, except when greatly reduced), margins entire, faces glabrous or glabrate, hirsute, or villous to sparsely villosulous, eglandular.

faces glabrous or villous.
Peduncles

densely strigillose (hairs loosely appressed, slightly crinkled; most dense immediately proximal to heads).
Involucres

6–9(–12) × 10–22(–25) mm.

Ray florets/Ray corollas

30–80;

corollas usually blue to rose purple or pink, sometimes white to pale blue, 8–16(–25) mm (mostly 1.5–3 mm wide), laminae coiling.

blue to purple or pink, less commonly white to pale blue.
Disc corollas

3.8–6 mm.

Phyllaries

in 2–3(–4) series (faces and margins) usually glabrous, rarely sparsely villous (cross walls not colored), densely and evenly stipitate-glandular.

Heads

1(–8).

Cypselae

2.5–2.8 mm, (4–)5(–7)-nerved, faces sparsely strigose;

pappi: outer of setae, inner of 20–30 bristles.

Erigeron glacialis

Erigeron glacialis var. glacialis
Phenology Flowering Jul–Sep.
Habitat Moist or wet subalpine meadows, sometimes dry slopes, roadsides, glacial moraines, openings among aspen, pines, or fir
Elevation 1300–3800 m (4300–12500 ft)
Distribution
from FNA
AK; CA; CO; ID; MT; NM; NV; OR; UT; WA; WY; AB; BC; YT
[WildflowerSearch map]
[BONAP county map]
from FNA
AK; CA; CO; ID; MT; NM; NV; OR; UT; WA; WY; AB; BC; YT
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Peduncles densely strigillose with loosely appressed, slightly crinkled hairs; leaf faces glabrous or villous
var. glacialis
1. Peduncles hirsute to hirsuto-villous; leaf faces hirsute to hirsuto-villous
var. hirsutus
Source FNA vol. 20, p. 329. FNA vol. 20, p. 329.
Parent taxa Asteraceae > tribe Astereae > Erigeron Asteraceae > tribe Astereae > Erigeron > Erigeron glacialis
Sibling taxa
E. abajoensis, E. acomanus, E. acris, E. aequifolius, E. algidus, E. aliceae, E. allocotus, E. alpiniformis, E. anchana, E. annuus, E. aphanactis, E. arenarioides, E. argentatus, E. arisolius, E. arizonicus, E. asperugineus, E. aureus, E. barbellulatus, E. basalticus, E. bellidiastrum, E. bigelovii, E. biolettii, E. blochmaniae, E. bloomeri, E. breweri, E. caespitosus, E. calvus, E. canaani, E. canus, E. cascadensis, E. cavernensis, E. cervinus, E. chrysopsidis, E. clokeyi, E. compactus, E. compositus, E. concinnus, E. consimilis, E. corymbosus, E. coulteri, E. cronquistii, E. davisii, E. decumbens, E. denalii, E. disparipilus, E. divergens, E. eatonii, E. elatior, E. elatus, E. elegantulus, E. elmeri, E. engelmannii, E. evermannii, E. eximius, E. filifolius, E. flabellifolius, E. flagellaris, E. flettii, E. foliosus, E. formosissimus, E. garrettii, E. geiseri, E. glabellus, E. glaucus, E. goodrichii, E. gracilis, E. grandiflorus, E. greenei, E. heliographis, E. hessii, E. howellii, E. humilis, E. hyperboreus, E. hyssopifolius, E. inornatus, E. jonesii, E. kachinensis, E. karvinskianus, E. klamathensis, E. kuschei, E. lackschewitzii, E. lanatus, E. lassenianus, E. latus, E. leibergii, E. leiomerus, E. lemmonii, E. linearis, E. lobatus, E. lonchophyllus, E. maguirei, E. mancus, E. maniopotamicus, E. mariposanus, E. melanocephalus, E. miser, E. modestus, E. muirii, E. multiceps, E. nanus, E. nauseosus, E. nematophyllus, E. neomexicanus, E. nivalis, E. ochroleucus, E. oreganus, E. oreophilus, E. ovinus, E. oxyphyllus, E. pallens, E. parishii, E. parryi, E. peregrinus, E. petrophilus, E. philadelphicus, E. pinnatisectus, E. piperianus, E. piscaticus, E. poliospermus, E. porsildii, E. pringlei, E. procumbens, E. pulchellus, E. pulcherrimus, E. pumilus, E. purpuratus, E. pygmaeus, E. quercifolius, E. radicatus, E. reductus, E. religiosus, E. rhizomatus, E. robustior, E. rybius, E. rydbergii, E. salishii, E. salmonensis, E. sanctarum, E. saxatilis, E. sceptrifer, E. scopulinus, E. serpentinus, E. sionis, E. sivinskii, E. sparsifolius, E. speciosus, E. strigosus, E. subglaber, E. subtrinervis, E. supplex, E. tenellus, E. tener, E. tenuis, E. tracyi, E. trifidus, E. tweedyi, E. uintahensis, E. uncialis, E. uniflorus, E. untermannii, E. ursinus, E. utahensis, E. vagus, E. velutipes, E. vernus, E. versicolor, E. vetensis, E. vicinus, E. vreelandii, E. watsonii, E. wilkenii, E. yukonensis
E. glacialis var. hirsutus
Subordinate taxa
E. glacialis var. glacialis, E. glacialis var. hirsutus
Synonyms Aster glacialis, E. salsuginosus var. glacialis E. callianthemus, E. peregrinus var. angustifolius, E. peregrinus subsp. callianthemus, E. peregrinus var. callianthemus, E. peregrinus var. scaposus
Name authority (Nuttall) A. Nelson: Bot. Gaz. 37: 270. (1904) unknown
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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