Kathryn Kalmbach Herbarium
Catalog #: KHD00072149
Taxon: Centaurea x psammogena G. Gáyer [diffusa × stoebe
Family: Asteraceae
Determiner: Christina Alba; Audrey Dignan (2018)
Collector: Christina Alba   1741   
Date: 2018-07-13
Verbatim Date: 7/13/2018
Additional Collectors: Audrey Dignan; Margo Paces; Rikkea Harris; Sue Janssen
Locality: USA, Colorado, Douglas, Unincorporated Douglas County south of City of Littleton. Along the High Line Canal Trail at Mile Marker 7. 3000 meters SE of Chatfield Lake.
39.52708159  -105.0493291  WGS84
Verbatim Coordinates: 39.52734 -105.04964
Location Remarks: HLC07
Elevation: 1691 meters
Verbatim Elevation: 1691m
Habitat: Ecotone between Front Range Fans and Flat to Rolling Plains ecoregions; earthen canal and adjacent recreational trail ("Rolling Foothills" zone, High Line Canal trail), embedded within a rural to urbanizing landscape that was historically shortgrass steppe. Canal vegetation composition changes from ruderal grasses and forbs and planted/escaping garden plants (upland areas by trail) to water-loving trees/shrubs and associated understory (lowland areas near canal). Representative trees and shrubs: Populus deltoides, Populus angustifolia, Prunus Americana, Prunus virginiana, Salix exigua, Amorpha fruticosa, Ericameria nauseosa; Grasses: Bouteloua gracilis, Buchloe dactyloides, Pascopyrum smithii, Nasella viridula, Bromus inermis, Agropyron cristatum; Forbs: Heterotheca villosa, several species of Mirabilis and Oenothera, Helianthus annuus, Capsella bursa-pastoris, Cirsium arvense.
Substrate: silt, clay
Description: Approximate height: 60 centimeters. Flowers: purple/white. Habit: forb. Life cycle habit: perennial. Origin: introduced.
Reproductive Condition: flower
Occurrence Remarks: High Line Canal Ecological Survey. Additional data describing plant abundance and pollinator community is available. Army Corps of Engineers Wetland Indicator Value: not available (Lichvar et al. 2012). Coefficient of conservatism value: * (non-native species) (Floristic Quality Assessment Indices for Colorado Plant Communities, doi:10.13140/RG.2.1.2634.8248).
Specimen Images
Rights Holder: Public Domain
Access Rights: Public Domain
Record Id: 64d934ec-474d-4af8-953f-e33d916bd4b9
Occurrence ID (GUID): 64d934ec-474d-4af8-953f-e33d916bd4b9
For additional information on this occurrence, please contact: Rick Levy, Database Associate (richard.levy@botanicgardens.org)
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