View source for Helianthus nuttallii subsp. rydbergii

{{Treatment/ID
|accepted_name=Helianthus nuttallii subsp. rydbergii
|accepted_authority=(Britton) R. W. Long
|publications={{Treatment/Publication
|title=Brittonia
|place=18: 77. 1966
|year=1966
}}
|common_names=Rydberg’s sunflower
|basionyms={{Treatment/ID/Synonym
|name=Helianthus rydbergii
|authority=Britton
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Helianthinae;Helianthus;Helianthus nuttallii;Helianthus nuttallii subsp. rydbergii
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Heliantheae]]</div><div class="higher-taxon"><small>subtribe</small>[[Asteraceae (tribe Heliantheae) subtribe Helianthinae]]</div><div class="higher-taxon"><small>genus</small>[[Helianthus]]</div><div class="higher-taxon"><small>species</small>[[Helianthus nuttallii]]</div><div class="higher-taxon"><small>subspecies</small>[[Helianthus nuttallii subsp. rydbergii]]</div></div>
|volume=Volume 21
|mention_page=
|treatment_page=page 167
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>usually 100–250 cm. <b>Leaves</b> all or mostly opposite; blades lanceolate to nearly ovate, apices acute to obtuse, abaxial faces hispid to hispidulous. <b>Phyllaries</b>: abaxial faces ± glabrate or sparsely hairy (longer hairs 0.5–1 mm).</span><!--

-->{{Treatment/Body
|phenology=Flowering late summer–fall.
|habitat=Open areas, sandy dry soils, wet places
|elevation=200–1000 m
|distribution=Alta.;Man.;Ont.;Que.;Sask.;Colo.;Iowa;Minn.;Mont.;Nebr.;N.Dak.;S.Dak.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Helianthus nuttallii subsp. rydbergii
|author=
|authority=(Britton) R. W. Long
|rank=subspecies
|parent rank=species
|synonyms=
|basionyms=Helianthus rydbergii
|family=Asteraceae
|phenology=Flowering late summer–fall.
|habitat=Open areas, sandy dry soils, wet places
|elevation=200–1000 m
|distribution=Alta.;Man.;Ont.;Que.;Sask.;Colo.;Iowa;Minn.;Mont.;Nebr.;N.Dak.;S.Dak.
|reference=None
|publication title=Brittonia
|publication year=1966
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V21_404.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Helianthinae
|genus=Helianthus
|species=Helianthus nuttallii
|subspecies=Helianthus nuttallii subsp. rydbergii
}}<!--

-->[[Category:Treatment]][[Category:Helianthus nuttallii]]