View source for Hieracium pilosella

{{Treatment/ID
|accepted_name=Hieracium pilosella
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 800. 1753
|year=1753
}}
|common_names=Mouse-ear hawkweed;épervière piloselle
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Hieracium pilosella var. niveum
|authority=Müller Argoviensis
|rank=variety
}} {{Treatment/ID/Synonym
|name=Pilosella officinarum
|authority=
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Cichorieae;Hieracium;Hieracium pilosella
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Cichorieae]]</div><div class="higher-taxon"><small>genus</small>[[Hieracium]]</div><div class="higher-taxon"><small>species</small>[[Hieracium pilosella]]</div></div>
|volume=Volume 19
|mention_page=page 279, 284
|treatment_page=page 283
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>10–25(–40+) cm. <b>Stems</b> proximally piloso-hirsute (hairs 1–3+ mm) and stellate-pubescent, distally piloso-hirsute (hairs 1–2 mm), stellate-pubescent, and stipitate-glandular. <b>Leaves</b>: basal (2–)5–10+, cauline 0(–3); blades elliptic to ± oblanceolate, 10–45(–75+) × 5–12(–18+) mm, lengths 2–4(–6+) times widths, bases cuneate, margins entire, apices acute, faces piloso-hirsute (hairs 2–7+ mm) and stellate-pubescent. <b>Heads</b> usually borne singly, rarely 2(–3). <b>Peduncles</b> piloso-hirsute and stellate-pubescent. <b>Calyculi</b>: bractlets 8–15+. <b>Involucres</b> hemispheric to obconic, 7.5–9 mm. <b>Phyllaries</b> 20–34+, apices acuminate, abaxial faces stellate-pubescent and stipitate-glandular, sometimes piloso-hirsute as well. <b>Florets</b> 60–120+; corollas yellow (often each with abaxial red stripe), 8–13+ mm. <b>Cypselae</b> columnar, 1.5–2 mm; pappi of 30+, white bristles in 1 series, 4–5 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Aug.
|habitat=Disturbed sites (sandy or gravelly soils, fields, lawns, roadsides)
|elevation=10–100+ m
|distribution=St. Pierre and Miquelon;B.C.;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;Que.;Conn.;Del.;Ga.;Ky.;Maine;Md.;Mass.;Mich.;Minn.;N.H.;N.J.;N.Y.;N.C.;Ohio;Oreg.;Pa.;R.I.;Tenn.;Vt.;Va.;Wash.;W.Va.;Europe.
|introduced=true
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Hieracium pilosella
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=Hieracium pilosella var. niveum;Pilosella officinarum
|basionyms=
|family=Asteraceae
|phenology=Flowering May–Aug.
|habitat=Disturbed sites (sandy or gravelly soils, fields, lawns, roadsides)
|elevation=10–100+ m
|distribution=St. Pierre and Miquelon;B.C.;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;Que.;Conn.;Del.;Ga.;Ky.;Maine;Md.;Mass.;Mich.;Minn.;N.H.;N.J.;N.Y.;N.C.;Ohio;Oreg.;Pa.;R.I.;Tenn.;Vt.;Va.;Wash.;W.Va.;Europe.
|introduced=true
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Introduced
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_388.xml
|tribe=Asteraceae tribe Cichorieae
|genus=Hieracium
|species=Hieracium pilosella
}}<!--

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