2023
Additions:
- Alliaria petiolata — Assessed using PAF and added to inventory as a MOD-Alert;
- Melia azedarach — Assessed using PRE as HIGH potential risk; added as “Watch” species
- Pennisetum ciliare — Assessed using PRE as HIGH potential risk; added as “Watch” species
Species assessed, not added:
- Adonis aestivalis –– Assessed, not added (PRE 15, MODERATE risk, evaluate further)
- Caesalpinia spinosa — Assessed, not added (PRE 11, LOW risk)
- Chasmanthe bicolor — Assessed, not added (PRE 13, MODERATE risk, evaluate further)
- Euphorbia hypericifolia — Assessed, not added (PRE 13, MODERATE risk, evaluate further)
- Lathyrus nissolia — Assessed, not added (PRE 9, MODERATE risk, evaluate further)
- Pancratium maritimum — Assessed, not added (PRE 11, LOW risk)
- Senecio angustifolius — Assessed, not added (PRE 13, LOW risk)
- Senna artemisioides — Assessed, not added (PRE 13, LOW risk)
Other:
- Secondary photos added for most inventory species
2022
Additions:
- Arum italicum – Assessed using PRE as HIGH potential risk; added as a “Watch” species
- Asparagus aethiopicus – Assessed using PRE as HIGH potential risk; added as a “Watch” species
- Euphorbia myrsinites – Assessed using PRE as HIGH potential risk; added as a “Watch” species
- Hieracium aurantiacum – Assessed using PRE as HIGH potential risk; added as a “Watch” species
- Lythrum junceum – Assessed using PRE as HIGH potential risk; added as a “Watch” species
- Melinis repens – Assessed using PRE as HIGH potential risk; added as a “Watch” species
- Potentilla recta – Assessed using PRE as HIGH potential risk; added as a “Watch” species
- Senecio elegans – Assessed using PRE as HIGH potential risk; added as a “Watch” species
Species assessed/not added:
- Euphorbia helioscopia – Assessed, not added (PRE = 15, MOD potential risk, evaluate further)
- Pentaglottis sempervirens – Assessed, not added (PRE = 10, LOW potential risk, evaluate further)
- Searsia lancea – Assessed, not added (PRE = 15, MOD potential risk, evaluate further)
Other:
- CDFA ratings for species added
2020
Additions:
- Lathyrus latifolius – Assessed using the PRE and added as a “Watch” species
- Acacia longifolia – Assessed using PRE and added as a “Watch” species
- Acacia saligna – Assessed using PRE and added as a “Watch” species
Changes in status:
- Oncosiphon pilulifer — Re-assessed using our Plant Assessment Form (for established species in CA) and upgraded from “Watch” to a “High” rating
Species removed:
- Cordyline australis – Re-assessed using PRE and downgraded / removed from our inventory
2019
Changes in status:
- Foeniculum vulgare – Downgraded from “high” to “moderate” (due to a coding error that we discovered)
Definitions:
PRE – Plant Risk Evaluator assessment tool for horticultural introductions and terrestrial species still uncommon in California
PAF – Plant Assessment Form assessment tool for species already established more broadly in California