The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Bear River fleabane

Erigeron aliceae

Alice Eastwood's fleabane, Alice's fleabane, Eastwood's fleabane

Habit Perennials, (1.5–)5–25(–30) cm; rhizomatous, fibrous-rooted, forming diffuse systems of slender, rhizomelike caudex branches. Perennials, 3–8 dm; rhizomatous, fibrous-rooted, caudices relatively thick.
Stems

ascending (bases usually purplish), glabrous or sparsely strigose (or hairs loosely spreading), sometimes glandular near heads.

erect, loosely strigose to glabrate, sometimes hirsuto-villous proximally, eglandular.

Leaves

basal (persistent) and cauline;

basal (purplish) and proximal blades narrowly oblanceolate to oblong, 20–120 × 2–11 mm, cauline reduced distally, margins entire, ciliate, faces glabrous or loosely strigose, eglandular.

basal (usually persistent) and cauline;

basal and proximal cauline blades often prominently 3-nerved, oblanceolate-spatulate to elliptic-spatulate, 80–200 × 15–35 mm, margins usually coarsely dentate (teeth 1–5 pairs), sometimes entire, faces weakly strigose to hirsute, eglandular;

cauline blades becoming lanceolate to linear, sometimes ovate, gradually reduced distally (bases weakly subclasping or not clasping).

Involucres

5–7 × 9–19 mm.

6–10 × (10–)12–16(–20) mm.

Ray florets

30–100;

corollas pink to bluish purple, 6–15 mm, laminae not reflexing or coiling, sometimes tardily coiling.

45–80;

corollas white to pinkish purple, 10–15 mm, laminae coiling at tips.

Disc corollas

3.2–4.7 mm.

2.5–4 mm.

Phyllaries

in 2–3(–4) series (margins and tips often purplish, loose, linear-lanceolate, apices spreading), sparsely to moderately villous to hirsuto-villous, densely minutely glandular.

in 3(–4) series, glabrous or moderately villous to white-hirsuto-villous (sometimes only at peduncle-involucre region), densely minutely glandular.

Heads

1(–3).

1–4(–7) (from branches distal to midstem).

Cypselae

1.5–2 mm, 2-nerved, faces sparsely strigose;

pappi: outer of setae, inner of 10–20 bristles.

2–2.8 mm, 2(–4)-nerved, faces moderately to densely strigose;

pappi: outer of setae, inner of 18–32 bristles.

2n

= 18.

Erigeron ursinus

Erigeron aliceae

Phenology Flowering Jul–Sep. Flowering Jun–Aug(–Sep).
Habitat Meadows and grassy openings, sagebrush, aspen, lodgepole pine, pine-fir, spruce-fir Rocky ridges and slopes, talus, wet meadows, open roadsides, fir, hemlock-fir, chaparral, sometimes on serpentine
Elevation 2400–3100(–3700) m (7900–10200(–12100) ft) 1100–2200 m (3600–7200 ft)
Distribution
from FNA
AZ; CO; ID; MT; NM; NV; UT; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; OR; WA
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 20, p. 335. FNA vol. 20, p. 335.
Parent taxa Asteraceae > tribe Astereae > Erigeron Asteraceae > tribe Astereae > Erigeron
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. glacialis, 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. utahensis, E. vagus, E. velutipes, E. vernus, E. versicolor, E. vetensis, E. vicinus, E. vreelandii, E. watsonii, E. wilkenii, E. yukonensis
E. abajoensis, E. acomanus, E. acris, E. aequifolius, E. algidus, 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. glacialis, 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
Synonyms E. ursinus var. meyerae
Name authority D. C. Eaton: in S. Watson, Botany (Fortieth Parallel), 148. (1871) Howell: Fl. N.W. Amer., 317. (1900)
Web links