Dieteria [Machaeranthera] Cansecens
HOARY TANSYASTER Dieteria (Machaeranthera) canescens (Pursh) Nutt. Asteraceae – Aster family Corey L. Gucker & Nancy L. Shaw | 2018 ORGANIZATION NOMENCLATURE Dieteria canescens (Pursh) Nutt. until recently Names, subtaxa, chromosome number(s), hybridization. (2010) was known as Machaeranthera canescens (Pursh) A. Gray (ITIS 2017; USDA NRCS 2017). This species belongs to the Astereae tribe of the Asteraceae family (Morgan Range, habitat, plant associations, elevation, soils. 2006) and will hereafter be referred to by its common name, hoary tansyaster. NRCS Plant Code. MACA2 (USDA NRCS 2017). Life form, morphology, distinguishing characteristics, reproduction. Subtaxa. The Flora of North America (Morgan 2006) recognizes ten varieties of hoary tansyaster: Dieteria canescens var. Growth rate, successional status, disturbance ecology, importance to canescens, ambigua, aristata, glabra, incana, animals/people. leucanthemifolia, nebraskana, sessiliflora, shastensis, and ziegleri. Current or potential uses in restoration. Synonyms (Morgan 2006). Dieteria canescens: Machaeranthera canescens (Pursh) A. Gray; Aster canescens Seed sourcing, wildland seed collection, seed cleaning, storage, Pursh testing and marketing standards. D. c. var. ambigua: M. canescens (Pursh) A. Gray var. ambigua B.L. Turner D. c. var. aristatus: A. canescens Pursh var. Recommendations/guidelines for producing seed. aristatus Eastwood; M. canescens (Pursh) A. Gray var. aristata (Eastwood) B.L. Turner; M. rigida Greene D. c. var. canescens: M. divaricata (Nuttall) Recommendations/guidelines for producing planting stock. Greene; M. laetevirens Greene; M. latifolia A. Nelson; M. pulverulenta (Nuttall) Greene; M. viscosa (Nuttall) Greene D. c. var. glabra: M. canescens (Pursh) A. Gray Recommendations/guidelines, wildland restoration successes/ var. glabra A. Gray; A. canescens Pursh var. failures. viridis A. Gray; M. linearis Greene D.
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