Index / States / Virginia / Loudoun
§1County listing — Virginia
Loudoun County
Virginia
- FIPS
- 51107
- Taxa recorded
- 1,244
- State
- Virginia
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Showing 551–600 of 1,244.
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Heuchera americana L. Native HEAM6American alumroot · Saxifragaceae -
Hibiscus laevis All. Native HILA2halberdleaf rosemallow · Malvaceae -
Hibiscus syriacus L. Introduced HISYrose of Sharon · Malvaceae -
Hibiscus trionum L. Introduced HITRflower of an hour · Malvaceae -
Hieracium caespitosum Dumort. Introduced HICA10meadow hawkweed · Asteraceae -
Hieracium gronovii L. Native HIGR3queendevil · Asteraceae -
Hieracium paniculatum L. Native HIPA2Allegheny hawkweed · Asteraceae -
Hieracium scabrum Michx. Native HISCrough hawkweed · Asteraceae - Hieracium scabrum Michx. var. scabrum Native HISCSrough hawkweed · Asteraceae
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Hieracium venosum L. Native HIVErattlesnakeweed · Asteraceae -
Holcus lanatus L. Introduced HOLAcommon velvetgrass · Poaceae -
Holosteum umbellatum L. Introduced HOUMjagged chickweed · Caryophyllaceae -
Houstonia caerulea L. Native HOCA4azure bluet · Rubiaceae -
Houstonia longifolia Gaertn. Native HOLOlongleaf summer bluet · Rubiaceae -
Houstonia purpurea L. Native HOPU2Venus' pride · Rubiaceae -
Humulus japonicus Siebold & Zucc. Introduced HUJAJapanese hop · Cannabaceae -
Huperzia lucidula (Michx.) Trevis. Native HULU2shining clubmoss · Lycopodiaceae -
Hybanthus concolor (T.F. Forst.) Spreng. Native HYCO6eastern greenviolet · Violaceae -
Hydrangea arborescens L. Native HYARwild hydrangea · Hydrangeaceae -
Hydrocotyle americana L. Native HYAMAmerican marshpennywort · Apiaceae -
Hydrocotyle ranunculoides L. f. Native HYRAfloating marshpennywort · Apiaceae -
Hydrocotyle sibthorpioides Lam. Introduced HYSIlawn marshpennywort · Apiaceae -
Hydrophyllum canadense L. Native HYCA3bluntleaf waterleaf · Hydrophyllaceae -
Hydrophyllum virginianum L. Native HYVIeastern waterleaf · Hydrophyllaceae -
Hylotelephium erythrostictum (Miq.) H. Ohba Introduced HYER3garden stonecrop · Crassulaceae -
Hylotelephium telephioides (Michx.) H. Ohba Native HYTE9Allegheny stonecrop · Crassulaceae -
Hypericum densiflorum Pursh Native HYDEbushy St. Johnswort · Clusiaceae -
Hypericum gentianoides (L.) Britton, Sterns & Poggenb. Native HYGEorangegrass · Clusiaceae -
Hypericum hypericoides (L.) Crantz Native HYHYSt. Andrew's cross · Clusiaceae -
Hypericum mutilum L. Native HYMUdwarf St. Johnswort · Clusiaceae -
Hypericum perforatum L. Introduced HYPEcommon St. Johnswort · Clusiaceae -
Hypericum prolificum L. Native HYPRshrubby St. Johnswort · Clusiaceae -
Hypericum punctatum Lam. Native HYPUspotted St. Johnswort · Clusiaceae -
Hypoxis hirsuta (L.) Coville Native HYHI2common goldstar · Liliaceae -
Ilex opaca Aiton Native ILOPAmerican holly · Aquifoliaceae - Ilex opaca Aiton var. opaca Native ILOPOAmerican holly · Aquifoliaceae
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Ilex verticillata (L.) A. Gray Native ILVEcommon winterberry · Aquifoliaceae -
Impatiens capensis Meerb. Native IMCAjewelweed · Balsaminaceae -
Impatiens pallida Nutt. Native IMPApale touch-me-not · Balsaminaceae -
Ionactis linariifolius (L.) Greene Native IOLI2flaxleaf whitetop aster · Asteraceae -
Ipomoea coccinea L. Introduced IPCO3redstar · Convolvulaceae -
Ipomoea hederacea Jacq. Introduced IPHEivyleaf morning-glory · Convolvulaceae -
Ipomoea lacunosa L. Native IPLAwhitestar · Convolvulaceae -
Ipomoea pandurata (L.) G. Mey. Native IPPAman of the earth · Convolvulaceae -
Ipomoea purpurea (L.) Roth Introduced IPPU2tall morning-glory · Convolvulaceae -
Iris pseudacorus L. Introduced IRPSpaleyellow iris · Iridaceae -
Iris versicolor L. Native IRVE2harlequin blueflag · Iridaceae -
Isatis tinctoria L. Introduced ISTIDyer's woad · Brassicaceae -
Isoetes engelmannii A. Braun Native ISENAppalachian quillwort · Isoetaceae -
Isotria verticillata Raf. Native ISVElarge whorled pogonia · Orchidaceae