Plantae > Tracheophyta > Magnoliopsida > Asterales > Asteraceae > Agoseris > Agoseris grandifloraAgoseris grandiflora (bigflower agoseris)Synonyms: Agoseris cinerea (heterotypic); Agoseris grandiflora var. intermedia; Agoseris grandiflora var. plebeia (heterotypic); Agoseris grandifolia var. intermedia (heterotypic); Agoseris intermedia (heterotypic); Agoseris marshallii (heterotypic); Agoseris obtusifolia (heterotypic); Agoseris plebeia (heterotypic); Macrorhynchus grandiflorus (homotypic); Microrhynchus grandiflorus; Stylopappus grandiflorus (homotypic); Troximon grandiflorum (homotypic); Troximon grandiflorum var. grandiflorum; Troximon grandiflorum var. obtusifolium (heterotypic); Troximon marshallii (heterotypic); Troximon plebeium (heterotypic) Agoseris grandiflora is a North American species of flowering plants in the daisy family known by the common names California dandelion, bigflower agoseris, and grassland agoseris. The plant is native to western North America from British Columbia to California to Utah, where it grows in many habitat types. |
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| Bloom Period [1] | Spring | | Drought Tolerance [1] | Medium | | Fire Tolerance [1] | High | | Frost Free Days [1] | 4 months | | Fruit/Seed Abundance [1] | Medium | | Fruit/Seed Begin [1] | Summer | | Fruit/Seed End [1] | Summer | | Growth Form [1] | Single Crown | | Growth Period [1] | Spring | | Growth Rate [1] | Moderate | | Leaf Type [1] | Deciduous | | Lifespan [1] | Perennial | | Propagation [1] | Seed | | Regrowth Rate [1] | Slow | | Root Depth [1] | 8 inches (20 cm) | | Seed Spread Rate [1] | Moderate | | Seed Vigor [1] | Medium | | Seeds Per [1] | 273664 / lb (603327 / kg) | | Shape/Orientation [1] | Prostrate | | Structure [2] | Herb | | Vegetative Spread Rate [1] | None |  | | Flower Color [1] | Yellow | | Foliage Color [1] | Green | | Fruit Color [1] | Brown | | | Flower Conspicuous [1] | Yes | | | Height [1] | 20 inches (0.5 m) | | | Hardiness Zone Minimum [1] | USDA Zone: 5 Low Temperature: -20 F° (-28.9 C°) → -10 F° (-23.3 C°) | | Light Preference [1] | Full Sun | | Soil Acidity [1] | Neutral | | Soil Fertility [1] | Intermediate | | Water Use [1] | Moderate | | | Screening - Summer [1] | Porous | | Screening - Winter [1] | Porous |
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Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via
GBIF.org on 2023-06-13; License:
CC BY 4.0
