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Tracy's Thistle

Cirsium tracyi (Rydb.) Petr.

Scientific Names

Preferred Names

Cirsium tracyi (Rydb.) Petr.
Species recognized by Dynamic Hierarchy Version 2 1
Reference taxon from Synonymic Checklists of the Vascular Plants of the World in Species 2000 & ITIS Catalogue of Life
Cirsium tracyi
Species recognized by Delete- old US Species List and Barcode of Life Data Systems
Cirsium tracyi
Recognized by CalPhotos in DwC-A and National Wetland Plant List USA
Cirsium tracyi (Rydb.) Petr.
Species recognized by GBIF classification
Cirsium undulatum (Nutt.) Spreng. var. tracyi (Rydb.) S. L. Welsh
Recognized by USDA Plants data
Carduus tracyi Rydb.
Recognized by NMNH type specimens
Cirsium tracyi
Species recognized by United States Species List

Alternative Names

Carduus arcuatus Osterh.
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from Synonymic Checklists of the Vascular Plants of the World in Species 2000 & ITIS Catalogue of Life
Carduus floccosus Rydb.
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from Synonymic Checklists of the Vascular Plants of the World in Species 2000 & ITIS Catalogue of Life
Carduus tracyi Rydb.
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from Synonymic Checklists of the Vascular Plants of the World in Species 2000 & ITIS Catalogue of Life
Cirsium arcuatum (Osterh.) Rydb.
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from Synonymic Checklists of the Vascular Plants of the World in Species 2000 & ITIS Catalogue of Life
Cirsium floccosum (Rydb.) Rydb.
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from Synonymic Checklists of the Vascular Plants of the World in Species 2000 & ITIS Catalogue of Life
Cirsium undulatum var. tracyi (Rydb.) S. L. Welsh
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from Synonymic Checklists of the Vascular Plants of the World in Species 2000 & ITIS Catalogue of Life

Common Names

English

Tracy's thistle preferred
Recognized by USDA Plants data
Tracy's Thistle
prefer
Recognized by National Wetland Plant List USA

Curated hierarchies for Cirsium tracyi (Rydb.) Petr.

Dynamic Hierarchy Version 2 1

Life
Cellular Organisms
Eukaryota
Archaeplastida
Chloroplastida
Streptophyta
Embryophytes
Tracheophyta
Spermatophytes
Angiosperms
Eudicots
Superasterids
Asterids
Asterales
Asteraceae
Cirsium
Cirsium tracyi (Rydb.) Petr. (this page)
Cirsium aggregatum Ledeb.
Cirsium akimontanum Kadota
Cirsium alpicola Nakai
Cirsium altissimum (L.) Spreng.
Cirsium ashiuense S. Yokoyama & T. Shimizu
Cirsium austrohidakaense Kadota
Cirsium aytachii H. Duman & R. R. Mill
Cirsium borealinipponense Kitam. et al. ex Kitam.
Cirsium boujartii (Piller & Mitterp.) Sch. Bip.
Cirsium bracteiferum C. Shih
Cirsium brevifolium Nutt.
Cirsium buergeri Miq.
Cirsium bulgaricum DC.
Cirsium burgalense Elías & Pau
Cirsium carolinianum (Walt.) Fern. & Schubert
Cirsium cernuum Lag.
Cirsium chikushiense Koidz.
Cirsium chinense Gardn. & Champ.
Cirsium chlorolepis Petr. ex Hand.-Mazz.
Cirsium coahuilense G. B. Ownbey & D. J. Pinkava
Cirsium conspicuum (Sw.) Sch. Bip.
Cirsium dealbatum Bieb.
Cirsium dender Friis
Cirsium discolor (Muhl. ex Willd.) Spreng.
Cirsium drummondii Torr. & A. Gray
Cirsium dyris Jahand. & Maire
Cirsium elbrusense Somm. & Levier
Cirsium erythrolepis C. Koch
Cirsium fangii Petr.
Cirsium faucium Petr.
Cirsium flavisquamatum Kitam.
Cirsium flodmanii (Rydb.) Arthur
Cirsium foliosum (Hook.) DC.
Cirsium greimleri
Cirsium griffithii Boiss.
Cirsium hakkaricum Davis & Parris
Cirsium haussknechtii Boiss.
Cirsium heerianum Nägeli
Cirsium heiianum Koidz.
Cirsium heterotrichum Panc.
Cirsium horiianum Kadota
Cirsium hygrophilum Boiss.
Cirsium iranicum Petr.
Cirsium joannae S. L. Welsh, N. D. Atwood & L. C. Higgins
Cirsium karduchorum Petr.
Cirsium katoanum Kadota
Cirsium kenji-horieanum Kadota
Cirsium kirishimense Kadota & Mas. Saito
Cirsium kisoense (T. Yamaz. & K. Asano) Kadota
Cirsium laniflorum (M. Bieb.) Fischer
Cirsium leucocephalum (Willd.) Spreng.
Cirsium leucopsis DC.
Cirsium libanoticum DC.
Cirsium ligulare Boiss.
Cirsium lojkae Somm. & Levier.
Cirsium longepedunculatum Kitam.
Cirsium longistylum R. F. Moore & Frankton
Cirsium maackii Maxim.
Cirsium magofukui Kitam.
Cirsium maritimum Makino
Cirsium morisianum Rchb. fil.
Cirsium nasuense Kadota
Cirsium nippoense Kadota
Cirsium norikurense Nakai
Cirsium oblongifolium C. Koch
Cirsium ochrocentrum A. Gray
Cirsium osseticum (Adams) Petr.
Cirsium pannonicum (L. fil.) Link
Cirsium pascuarense (Kunth) Spreng.
Cirsium perplexans (Rydb.) Petr.
Cirsium poluninii Davis & Parris
Cirsium pyramidale Bornm.
Cirsium pyrenaicum (Jacq.) All.
Cirsium quercetorum (A. Gray) Jepson
Cirsium serrulatum (M. Bieb.) Fischer
Cirsium shihianum Greuter
Cirsium shimae Kadota
Cirsium sidi-guinii Pau & Font Quer
Cirsium silesiacum Sch. Bip. ex Nym.
Cirsium sintenisii Freyn
Cirsium sommieri Petr.
Cirsium sorocephalum Fisch. & C. A. Mey.
Cirsium subcoriaceum (Less.) Sch. Bip. ex Seem.
Cirsium subuliforme G. B. Ownbey
Cirsium sugimotoi Kitam.
Cirsium tashiroi Kitam.
Cirsium tenoreanum Petr.
Cirsium tiroliense Treuinf.
Cirsium trachylepis Boiss.
Cirsium tuberosum (L.) All.
Cirsium uzenense Kadota
Cirsium valdespinulosum (Sennen) Sennen
Cirsium valentinum Porta & Rigo
Cirsium velatum (S. Wats.) Petr.
Cirsium vivantii L. Villar, Segarra, J. López, Perez-Coll. & Catalán
Cirsium vulgare (Savi) Ten.
Cirsium wheeleri (A. Gray) Petr.
Cirsium xenogena Petr.
Cirsium yezoense (Maxim.) Mak.
Cirsium zawoense Y. Kadota
395 additional siblings truncated for brevity.
See the resource file for a full list.
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