Overview

Distribution

National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Description

Perennials, 50–180 cm (rhizomes stout, plants not colonial, roots fibrous). Leaves green, blades lanceolate to ovate or elliptic, herbaceous, sometimes pinnately lobed, bases attenuate, ultimate margins entire or coarsely toothed, apices acute, faces (abaxial) sparsely hairy or glabrous (adaxial); basal petiolate, 20–60 × 5–15 cm; cauline petiolate or sessile, 10–30 × 3–15 cm. Heads borne singly or (3–12) in ± corymbiform arrays. Phyllaries to 2 cm. Receptacles conic to columnar; paleae 5–6 mm, apices obtuse to acute, abaxial tips densely hairy. Ray florets 8–21; laminae linear to elliptic or oblong, 3–6 × 1–1.6 cm, abaxially hairy. Discs 15–60 × 14–25 mm. Disc florets 200–300+; corollas greenish yellow, 4–5 mm; style branches ca. 1.5 mm, apices acute to rounded. Cypselae 4–5 mm; pappi coroniform or of scales, to 1.5 mm. 2n = 36.
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Type Information

Isotype for Rudbeckia californica A. Gray
Catalog Number: US 323705
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Card file verified by examination of alleged type specimen
Preparation: Pressed specimen
Collector(s): H. N. Bolander
Year Collected: 1866
Locality: Yosemite National Park, near Big Tree Grove., California, United States, North America
  • Isotype: Gray, A. 1868. Proc. Amer. Acad. Arts. 7: 357.
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Isotype for Rudbeckia californica A. Gray
Catalog Number: US 26539
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Card file verified by examination of alleged type specimen
Preparation: Pressed specimen
Collector(s): H. N. Bolander
Year Collected: 1866
Locality: Mariposa Sequoia Grove., California, United States, North America
  • Isotype: Gray, A. 1868. Proc. Amer. Acad. Arts. 7: 357.
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Isotype for Rudbeckia californica A. Gray
Catalog Number: US 26538
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Card file verified by examination of alleged type specimen
Preparation: Pressed specimen
Collector(s): H. N. Bolander
Locality: Mariposa Grove., California, United States, North America
  • Isotype: Gray, A. 1868. Proc. Amer. Acad. Arts. 7: 357.
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: N3 - Vulnerable

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NatureServe Conservation Status

Rounded Global Status Rank: T3 - Vulnerable

Reasons: Rudbeckia californica var. californica is in California (1650-2600 meters) in the Klamath Ranges and Sierra Nevada Highlands, occurring in meadows and seeps. It has been reported to be occasional (Munz 1959).

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National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G4 - Apparently Secure

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Notes

Comments

Rudbeckia californica grows in the central Sierra Nevada.
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Names and Taxonomy

Taxonomy

Comments: Rudbeckia californica, glaucescens, and klamathensis (as treated by Kartesz, 1999) have sometimes (e.g., by Kartesz in 1994) been treated as varieties (with the names californica, glauca, and intermedia, respectively) in a more broadly viewed species R. californica. LEM 20Feb01.

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Comments: Rudbeckia californica, glaucescens, and klamathensis (as treated by Kartesz, 1999) have sometimes (e.g., by Kartesz in 1994) been treated as varieties (with the names californica, glauca, and intermedia, respectively) in a more broadly viewed species R. californica. LEM 20Feb01.

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