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Caltha natans Pall. ex Georgi
Bai hua lu ti cao

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Caltha natans Pall. ex Georgi
floating marsh marigold

Image of Caltha natans

General Information
Symbol: CANA
Group: Dicot
Family: Ranunculaceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : AK   N
L48   N
Data Source and Documentation
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green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   


click on a thumbnail to view an image, or see all the Caltha thumbnails at the Plants Gallery

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 86. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .



Symbol Scientific Name
THNA2 Thacla natans (Pall. ex Georgi) Deyl & Soják


Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Magnoliidae
Order Ranunculales
Family Ranunculaceae – Buttercup family
Genus Caltha L. – marsh marigold
Species Caltha natans Pall. ex Georgi – floating marsh marigold

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
Minnesota floating marsh-marigold Endangered
Wisconsin floating marsh-marigold Endangered

Wetland Status

Interpreting Wetland Status

North America
Alaska OBL
Northcentral & Northeast OBL

Related Links

More Accounts and Images
Flora of North America (CANA)
Integrated Taxonomic Information System (CANA)
Integrated Taxonomic Information System (THNA2)
University of Wisconsin - Stevens Point Freckmann Herbarium (CANA)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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Following modified from Flora of North America
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FNA | Family List | FNA Vol. 3 | Ranunculaceae | Caltha

2. Caltha natans Pallas, Reise. 3: 284. 1776.

Stems leafy, floating or creeping, rooting at nodes. Basal leaves: blade ovate-reniform or cordate, largest 1-2.5 × 1-5 cm, margins nearly entire. Inflorescences 2-6-flowered. Flowers 8-13 mm diam.; sepals white or pinkish, 4-7(-8) mm. Follicles 20-55, widely spreading, sessile, oblong; bodies 3.2-6.5 × 1-2.5 mm; style and stigma curved, 0.1-0.4 mm. Seeds broadly elliptic, 0.5-0.8 mm. 2 n =16, 32.

Flowering late spring-summer (Jun-Aug). Floating or on moist mud, ponds, lakes, slow-moving rivers and streams; 25-1500 m; Alta., B.C., Man., N.W.T., Ont., Sask., Yukon; Alaska, Minn., Wis.; Eurasia.

Unlike the other species of Caltha in North America, C . natans is relatively invariable morphologically and has not been divided into segregate taxa.

Updated: 2019-09-16 14:51:54 gmt
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