White hawkweed (Hieracium albiflorum, Fl. Bor.-Amer. 1: 298 (1833))

Family: Asteraceae

Author: Hook.

Bibliography: Fl. Bor.-Amer. 1: 298 (1833)

Year: 1833

Status: accepted

Rank: species

Genus: Hieracium

Vegetable: Unknown

Observations: Subarctic America to N. Mexico

Description

White hawkweed, scientifically recognized as Hieracium albiflorum, is a distinctive species within the Asteraceae family. Its delicate white blooms set it apart in the diverse landscape of flora across North America. Documented in the early 19th century, specifically in “Fl. Bor.-Amer. 1: 298 (1833)” by the botanist Hook., this plant has been observed across a vast geographic range, extending from the subarctic regions of America all the way down to northern Mexico.

The ecological versatility of White hawkweed is notable, as it thrives in a variety of climates and altitudinal zones within this expansive area. Despite its widespread distribution, the plant maintains a consistent appearance, characterized by its elongated stems and clusters of small, white flowers which contribute a subtle charm to its natural habitats.

As a member of the Asteraceae family, White hawkweed is related to a multitude of other well-known plants, many of which are prized not just for their beauty but also for their ecological importance. The blooms of Hieracium albiflorum typically feature a central disc of florets surrounded by petal-like rays, a common trait among its relatives that aids in attracting a variety of pollinators.

This plant’s scientific documentation in 1833 marks it as a species of considerable interest to botanists and naturalists alike, reflecting its significance in studies of North American plant life. The expansive range from subarctic America to northern Mexico highlights its adaptability and the important role it plays in the diverse ecosystems across these regions.

Overall, Hieracium albiflorum is a remarkable example of botanical resilience and charm, continuing to inspire those who study and appreciate the natural world.

Common Names

Eng: white hawkweed, white-flowered hawkweed
Fra: épervière à fleurs blanches
En: White hawkweed, White-flowered hawkweed
Fr: Épervière à fleurs blanches

Synonyms

• Hieracium albiflorum f. lyallii (Zahn)
• Hieracium helleri (Gand.)
• Chlorocrepis albiflora ((Hook.) W.A.Weber)
• Hieracium albiflorum subvar. rosendahlii (Zahn)
• Hieracium albiflorum subvar. sanhedrinense (Zahn)
• Hieracium albiflorum f. laxior (Kurtz)
• Pilosella albiflora ((Hook.) F.W.Schultz & Sch.Bip.)
• Hieracium vancouverianum (Arv.-Touv.)

Distribution

• Alaska (native)
• Alberta (native)
• British Columbia (native)
• California (native)
• Colorado (native)
• Idaho (native)
• Mexico Northeast (native)
• Mexico Northwest (native)
• Montana (native)
• Nevada (native)
• Northwest Territorie (native)
• Oregon (native)
• Québec (native)
• Saskatchewan (native)
• South Dakota (native)
• Utah (native)
• Washington (native)
• Wisconsin (native)
• Wyoming (native)

Additional Images

Leaf

Taken Jul 30, 2013 by EOL − Tom Scott (cc-by-nc)

Taken Jul 2, 2013 by EOL − Ken-ichi Ueda (cc-by-nc)

Taken May 18, 2021 by jenyfer Renaud (cc-by-sa)

Taken Nov 22, 2021 by rebecca westbrook (cc-by-sa)

Taken Aug 15, 2020 by Debbie Bartman (cc-by-sa)

© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.

Flower

Taken Jan 1, 1900 by EOL − Franz Xaver (cc-by-sa)

Taken Jul 2, 2015 by EOL − Steve Matson (cc-by-nc)

Taken Apr 28, 2019 by dana moss (cc-by-sa)

Taken Jul 11, 2019 by genna Genna Shapiro (cc-by-sa)

Taken Nov 14, 2021 by Francisco Javier Gomez (cc-by-sa)

Habit

Taken Mar 29, 2014 by EOL − boschniakia (cc-by-nc)

Taken May 12, 2014 by EOL − Ken-ichi Ueda (cc-by-nc)

Taken Nov 6, 2015 by EOL − jbanks (cc-by-nc)

Taken Jan 28, 2016 by EOL − Lauren Magner (cc-by-nc)

Taken Jul 2, 2015 by EOL − Steve Matson (cc-by-nc)

Fruit

Taken Jan 1, 1900 by EOL − Walter Siegmund (cc-by-sa)

Taken Jan 1, 1900 by EOL − Walter Siegmund (cc-by-sa)

Taken Jan 1, 1900 by EOL − Walter Siegmund (cc-by-sa)

Taken Jul 12, 2009 by EOL − Zoya Akulova (cc-by-nc)

Taken Dec 7, 2003 by EOL − Steve Matson (cc-by-nc)

Bark

Taken Jul 20, 2009 by EOL − Zoya Akulova (cc-by-nc)

Sources

• WFO (No URL)
• IPNI (No URL)
• GBIF (https://www.gbif.org/species/3136067)
• POWO (http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:122153-2)
• PlantNet (https://identify.plantnet.org/species/the-plant-list/Hieracium albiflorum Hook.)

Specifications

Growth