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List of Honey Bee Forage Species within Region 4 for the State of OR

Ordered by Begin Bloom Month

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USDA codeFamilyLatin NameCommon NamePlant TypeBegin Bloom MonthEnd Bloom MonthSig
SALIXSalicaceaeSalixWillow, osierTDB25N
PRAVRosaceaePrunusCherry (cultivated)TDB,C35N
PYRUSRosaceaePyrusPearC45N
TAOFCAsteraceaeTaraxacumDandelion, blow-ballsF49N
TRRE3FabaceaeTrifolium repensWhite, dutch cloverF49N
ACNE2AceraceaeAcer negundoBox elder, ash-leavedTDB46N
MALUSRosaceaeMalusAppleTDB45N
QUERCFagaceaeQuercusOakTDB45N
ALCELiliaceaeAllium cepaOnionC57N
BRNABrassicaceaeBrassica rapa and napuscanolaC55N
RASA2BrassicaceaeRaphanus sativusRadishC57N
SYMPHSymphoricarposSymphoricarposSnowberry, wolfberry, waxberry,F58N
TRPR2FabaceaeTrifolium pratenseRed cloverF58N
TRPR2FabaceaeTrifolium pratenseRed cloverF58N
BROLBrassicaceaeBrassica oleraceCabbageC68N
CILALCucurbitaceaeCitrullus lanatuswatermelonC67N
CUCURCucurbitaceaeCucurbita L.Pumpkin, squash, gourdC69N
DAUCUApiaceaeDaucus carotaC68N
MESAFabaceaeMedicago sativaAlfalfa, lucerneC69Y
PECR2ApiaceaePetroselinum crispumParselyC67N
MELILFabaceaeMelilotusSweet clover (white/yellow)F68N
MENTHLamiaceaeMenthaMintF, C69N
SALSOChenopodiaceaeSalsolaRussian thistle, saltwort,S68N
CENTAAsteraceaeCentaureaStar thistle, knapweedF710Y
CHRYS9AsteraceaeChrysothamnusRabbitbrushS89N

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Plant Type codes:

Sig column

      T    - tree
    TDB - tree, deciduous broadleaf
    TEN - tree, evergreen needleleaf
    TEB - tree, evergreen broadleaf
      S    - shrub
    SEB - shrub, evergreen broadleaf
    SDB - shrub, deciduous broadleaf
      V    - vine
    VDB - vine, deciduous broadleaf
      G    - grass
      F    - forb (herbaceous flowering plants, non-woody)
      C    - crops/cultivated
   This column indicates whether or not the species is considered a very important nectar source species within the state and region selected. If it is a significant source, it is indicated here with a 'Y' and the row is highlighted.

In this context, important is defined by Ayers and Harman as those species that "reliably produce a large percent of the harvested honey" within the selected region.

 
 

 For those wishing to see more detailed information about any species in the list, please visit the USDA PLANTS Database web site and search by any of the first three columns from the table.

 
This output was derived from Ayers and Harman, Chapter 11 (Bee Forage of North America and the Potential for Planting for Bees) of The Hive and the Honey Bee, 1992, Graham, J. ed. Dadant and Sons Inc. Hamilton, Illinois.
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Last Updated: November 21, 2016