Cynoglossum officinale
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- NAME of SPECIES: Cynoglossum Officinale L. (1) Synonyms: Cynoglossum Officinale L
- Table of Described Plants the Following Table Lists the Plants André Michaux Described in His North American Journals and Letters
- Toxic Plants of Kittitas County
- Houndstongue Author: Various Cynoglossum Officinale
- Ethnobotanical Study of the Sannio Area, Campania, Southern Italy
- The Wild Plants of Scotia Illustrata (1684)
- Grand Canyon National Park POTENTIAL INVASIVE EXOTIC
- Invasive Plant Species in Delaware
- Taxonomic List of Plants at Arapaho NWR
- 2019 County Noxious Weed List
- The Effect of Cold Stratification on Germination in 28 Cultural Relict Plant Species - with the Purpose of Establishing Germination Protocols
- Invasive Plants in Pacific Northwest Ecosystems. Gen
- Wilderness & Land Ethic Curriculum
- Carex Alopecoidea Tuckerman (Foxtail Sedge): a Technical Conservation Assessment
- HOUNDSTONGUE (Cynoglossum Officinale) Family: Boraginaceae (Borage) Life Cycle: Biennial to Perennial Class: Weed of Concern - Control Recommended AKA: Gypsy Flower
- 2020 Noxious Weed Lists
- Appendix 3.4‐4 State Noxious Weed List
- Noxious Weed Control Plan Annual Report, December 2019