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Veronica wyomingensis; photograph Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, via Wikimedia Commons CC BY-SAMatt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, via Wikimedia Commons

Veronica wyomingensis (A.Nelson) M.M.Mart.Ort. & Albach

Plantaginaceae · Alberta, British Columbia +8

English names not checked: Wikidata's common names were not read for this page.

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Veronica wyomingensis, photograph Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, via Wikimedia CommonsVeronica wyomingensis, photograph Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, via Wikimedia CommonsVeronica wyomingensis, photograph Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, via Wikimedia CommonsVeronica wyomingensis, photograph Jacob W. Frank, Public domain, via Wikimedia CommonsVeronica wyomingensis, photograph NPS photo, Public domain, via Wikimedia CommonsVeronica wyomingensis, photograph RG Johnsson, Public domain, via Wikimedia Commons 8 photographs ›
Habitat figures
Cold floor (1 night in 100)
-31.2°C
Record low -43.3 °C in 44 years, at a typical spot in the range NASA POWER
Warmest month, mean daily high
23°C
Jul and Aug at the habitat CHELSA
Rain a year (median across the range)
554mm
10 months of 25 mm or more in the median year CHELSA
Open-sky light
10–47DLI
Lowest to highest month (DLI) CHELSA
The year in your months, northern hemisphere
  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec
Wet summers: the rain comes April to October, read as a summer growing season. rain rule, CHELSA
Northern hemisphere unless you set your site. The chart is in the habitat's months.

Cultivation

Seasons

The rain rule reads a summer growing season: 70% of the median year's rain (415 mm of 553 mm) falls in April to October, warmer than the year (wet-season mean 9.5 °C against a yearly mean of 3.2 °C). Months are the habitat's, northern hemisphere; shifted six months for a southern-hemisphere collection: October to April.

Rain

553 mm in the median year at the habitat, 415 mm of it April to October. Wettest month June at 87 mm, driest month February at 23 mm. Across the grid cells of the range the year's total runs 365 mm to 1,119 mm, the 10th to 90th percentile of each cell's own year. The median of the cells' own yearly totals, 554 mm, is the year's rain at the top of the page; the 553 mm here is the median year's, the twelve monthly medians added, which the rain rule reads. Habitat calendar, northern hemisphere; median year across the grid cells of the range, CHELSA.

Light

Open sky over the habitat: 10 to 47 mol/m²/day across the year (daily light integral, median year across the grid cells of the range, CHELSA; the lowest 10th-percentile month across the cells is 7, the highest 90th-percentile month 49).

Warmth and air
Temperature

Coldest: the 1st-percentile night over 44 years at a typical spot in the range is -31.2 °C, the absolute minimum -43.3 °C, 10,050 frost nights in 44 years, 228.4 a year (NASA POWER daily minima). Warmest: the 99th-percentile day is 26.5 °C. Monthly means: the coldest month's mean nightly low -12.5 °C in December (across the grid cells of the range -16.8 °C to -8.5 °C), the warmest month's mean daily high 23.4 °C in July (median year across the grid cells of the range, CHELSA). Cold floor: -31.2 °C, which is the 1st-percentile night over 44 years at a typical spot in the range (NASA POWER).

Humidity

Relative humidity at the habitat: 49 to 59% across the year (monthly means, median year across the grid cells of the range, CHELSA). A figure about the air, saying nothing about how the plant takes water.

How this section is made

Each card states this species' habitat figures with their sources, and what two fixed rules read from them; nothing here says what the plant does, wants or tolerates. The rules · the terms.

Seasons. Read from the median year of CHELSA monthly rainfall and mean temperature across the grid cells of the range: the rain rule takes the smallest set of months carrying 70% of the rain and calls it winter when its mean is more than half a degree below the year's, summer when more than that above, and neither in between; the temperature rule, used only under 120 mm, names the cooler six months when they are at least a degree cooler than the other six. Months are shifted for the other hemisphere only where the temperature curve moves 4 °C or more and the habitat lies 10° or more from the equator. A reading of the curves, not an observation of the plant.

Rain. CHELSA monthly precipitation, median year across the grid cells of the range. The rain that falls where the species is recorded; nothing about how the plant takes water.

Light. CHELSA shortwave radiation at each envelope cell, a daily-mean flux taken to a daily total and converted at 2.07 mol of PAR per MJ. The sky over the habitat, measured; what reaches a plant under a rock, a shrub or a shade cloth is not.

Temperature. NASA POWER daily minima and maxima over 44 years at a typical spot in the range, lapse-corrected +109 m to its elevation; CHELSA monthly means, median year across the grid cells of the range. The cold floor is the 1st-percentile night named in its sentence. Not a measured survival limit for any plant in a pot.

Humidity. CHELSA relative humidity, median year across the grid cells of the range.

Climate across the habitat

Habitat months, northern hemisphere

Habitat climate of Veronica wyomingensis through the yearWarmest months July and August, mean daily high 23 °C; coldest month December, mean nightly low -12.5 °C; 553 mm of rain in the median year (the twelve monthly medians added). Medians across the range, from CHELSA; the extremes at the edge from NASA POWER. Habitat months, northern hemisphere.-60°-40°-20°0°20°40°frost26.5° 99th-percentile day, NASA POWER-43.3° lowest night in 44 years, NASA POWER°C · day and nightcold quarter0255075100125150mm rainDLI 10–47RH 49–59%JanFebMarAprMayJunJulAugSepOctNovDec
day night rain medians and 10th–90th percentile across 535 habitat cells, CHELSA cold quarter: the three months around the coldest month's mean nightly low extremes over 44 years at a typical spot in the range, from NASA POWER, marked at the edge, in no month DLI, mol/m²/dayRH %each on its own scale
Figures by month
JanFebMarAprMayJunJulAugSepOctNovDec
Day °C-3 / -8–1-1 / -6–33 / -2–88 / 3–1313 / 8–1919 / 14–2423 / 19–2923 / 19–2918 / 13–2310 / 5–151 / -4–6-4 / -9–1
Night °C-12 / -16–-9-11 / -15–-8-8 / -12–-4-4 / -8–01 / -4–66 / 1–119 / 5–159 / 5–144 / 0–9-1 / -6–3-8 / -13–-4-13 / -17–-9
Rain mm24 / 10–8823 / 12–7435 / 22–8451 / 34–9186 / 57–13687 / 54–15058 / 36–9247 / 29–8146 / 29–8940 / 27–8130 / 16–9626 / 12–91
DLI12 / 9–1619 / 16–2328 / 25–3337 / 34–4042 / 40–4545 / 42–4847 / 44–4941 / 38–4331 / 27–3421 / 18–2413 / 10–1710 / 7–13
RH %59 / 54–6558 / 54–6357 / 54–6055 / 52–5854 / 52–5753 / 50–5649 / 46–5349 / 45–5351 / 48–5554 / 52–5857 / 53–6459 / 54–66
How this section is made
Each figure is the median across the 535 grid cells holding the 923 in-range records, with the 10th–90th percentile span across those cells after the slash where it differs. A dash is a month one or more of those cells has no figure for in the grid (a variable CHELSA does not carry there), so no median is taken rather than one over fewer cells. Extremes and elevation were read at a typical spot in the range, cell 817:1321 (49.125, -113.925). Over 44 years there: absolute minimum -43.3 °C, 1st-percentile night -31.2 °C, 99th-percentile day 26.5 °C. Normals: CHELSA V2.1 1981–2010 climatology, 0.05° cells (each the mean of ~36 1 km pixels). Across the range: median and 10th–90th percentile of each month across the 535 distinct grid cells holding 923 of the 923 in-range records; extremes and elevation at the typical cell 817:1321 (its coldest month's mean nightly low nearest the median across cells); its position is the cell centre. Extremes: NASA POWER (MERRA-2) daily 1981–2024, cell 49.00_-113.750, lapse-corrected +109 m at 6.5 °C/km. Elevation: ETOPO 2022, 1743 m (cell mean).

Natural habitat

Native range as published by WCVP; the marker is where the records are densest and decides nothing: the climate was read across the cells of the in-range records placed well enough to read one, not at the marker.
Openly licensed records inside the range, framed on where they fall.

This species has no GBIF key of its own. Its records are GBIF's under the keys of the names Kew's World Checklist holds as this plant: 3172151 (Besseya wyomingensis (A.Nelson) Rydb., 318 records), 3724139 (Veronica wyomingensis (A.Nelson) M.M.Mart.Ort. & Albach, 1108 records), 3742000 (Wulfenia wyomingensis A.Nelson, 1 record). No name was matched to GBIF; the keys are read from Kew's synonymy. How.

NativeAlberta, British Columbia, Saskatchewan, Colorado, Idaho, Montana, Wyoming, Nebraska, South Dakota, Utah · regions are the level-3 units of the World Geographical Scheme for Recording Plant Distributions, as Kew's World Checklist records ranges, some under historical names such as Yugoslavia or Czechoslovakia (how).
Map marker45.665, -110.778 · in the densest population, 655 records (57% of those in range)
Kew's description“perennial” · “temperate” · quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedThe map marker rests on all 1157 georeferenced records inside the native range; the climate across the range on the 923 of them placed to within 10 km; the map shows only the 496 openly licensed ones, which alone would put the marker 190 km away. 2 records outside the WCVP native range not used. 234 in-range records are placed to worse than 10 km, or with no stated accuracy (admitted only as a person's observation to three decimals), and stay on the map but off the climate.
Other GBIF keysRecords also from GBIF's key 3172151 (Besseya wyomingensis (A.Nelson) Rydb.): Kew's file holds it as Besseya wyomingensis (A.Nelson) Rydb. (synonym under Veronica wyomingensis (A.Nelson) M.M.Mart.Ort. & Albach); 318 records, from GBIF's download.Records also from GBIF's key 3724139 (Veronica wyomingensis (A.Nelson) M.M.Mart.Ort. & Albach): Kew's file holds it as Veronica wyomingensis (A.Nelson) M.M.Mart.Ort. & Albach (accepted); 1,108 records, from GBIF's download.Records also from GBIF's key 3742000 (Wulfenia wyomingensis A.Nelson): Kew's file holds it as Wulfenia wyomingensis A.Nelson (synonym under Veronica wyomingensis (A.Nelson) M.M.Mart.Ort. & Albach); 1 record, from GBIF's download.
How this section is made
The map marker: the openly licensed record nearest the middle of the densest 1° population inside the densest 2° block of the 1157 in-range records; it decides nothing. Records outside the native range, living specimens and records marked introduced are not used; which records count.

Photographs

Veronica wyomingensis, photograph 1did not loadVeronica wyomingensis, photograph 2did not loadVeronica wyomingensis, photograph 3did not loadVeronica wyomingensis, photograph 4did not loadVeronica wyomingensis, photograph 5did not loadVeronica wyomingensis, photograph 6did not load

Photographs: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, via Wikimedia Commons (3); Jacob W. Frank, Public domain, via Wikimedia Commons; NPS photo, Public domain, via Wikimedia Commons; RG Johnsson, Public domain, via Wikimedia Commons.

Similar habitat climate The 6 nearest by mean daily high, mean nightly low and rain, month by month. How.

Androsace montana Androsace montana Mountain Douglasia Photo: CC BY, John PowersAgoseris glauca Agoseris glauca Pale agoseris Photo: CC0, author not statedCampanula petiolata Campanula petiolata Western harebell Photo: CC BY, Daughter DadPinus flexilis Pinus flexilis Limber pine Photo: CC BY, Hunter HickokKelseya uniflora Kelseya uniflora Oneflower kelseya Photo: CC BY, Michael StitesAntennaria umbrinella Antennaria umbrinella Umber pussytoes Photo: CC0, author not stated

Other Veronica 179 in the reference

Veronica adamsii Veronica adamsii Adams' Koromiko Photo: CC0, author not statedVeronica agrestis Veronica agrestis Green field-speedwell Photo: CC0, author not statedVeronica albicans Veronica albicans Veronica recurva Photo: CC BY, Kate McAlpineVeronica allionii Veronica allionii Plantaginaceae Photo: CC BY, Augustin SoulardVeronica alpina Veronica alpina Alpine speedwell Photo: CC0, author not statedVeronica americana Veronica americana American speedwell Photo: CC BY, IDClaireVeronica amplexicaulis Veronica amplexicaulis Plantaginaceae Photo: CC BY, Pieter PelserVeronica anagallis-aquatica Veronica anagallis-aquatica Blue water-speedwell Photo: CC BY, Jason GrantVeronica × andersonii Veronica × andersonii Plantaginaceae Photo: CC BY, jonno_99Veronica aphylla Veronica aphylla Largeflower Speedwell Photo: CC0, author not statedVeronica armena Veronica armena Armenian speedwell Photo: CC BY-SA, Grzegorz GrzejszczakVeronica armstrongii Veronica armstrongii Armstrong's Whipcord Photo: CC BY-SA, Nick all 180 ›

Names & registers

Also known as Synthyris wyomingensis; Synthyris wyomingensis var. gymnocarpa; Synthyris gymnocarpa; Besseya wyomingensis; Veronica schinzii and 4 more. (WCVP, RBG Kew)

Under another author Veronica cinerea Raf. is an older name of this species, not Veronica cinerea, a species of the reference. (GBIF Backbone)

IPNIPOWOWikidataWFO

The record

Family
Plantaginaceae
Described by
(A.Nelson) M.M.Mart.Ort. & Albach
Native to
Alberta, British Columbia, Saskatchewan +7
Wild records
1157 in range · 496 open

Every figure here is derived from public data by a stated rule and names its source; nothing about this species is written for its page by a person or by AI, apart from the marked, credited quotations. How →

Where this page came from built 2026-10-22
Kew's names (WCVP) kew.names answeredas of 2026-06-04Kew's entry Veronica wyomingensis (A.Nelson) M.M.Mart.Ort. & Albach (plant_name_id 2463061), read from Kew's names file
GBIF species record gbif.species not askedGBIF's backbone holds no one accepted species of this name, and a name it holds only as another species' synonym is not taken for this one, so GBIF's records were not asked
GBIF synonyms gbif.synonyms not askedGBIF's backbone holds no one accepted species of this name, and a name it holds only as another species' synonym is not taken for this one, so GBIF's records were not asked
GBIF common names gbif.vernacular not askedGBIF's backbone holds no one accepted species of this name, and a name it holds only as another species' synonym is not taken for this one, so GBIF's records were not asked
WCVP native range wcvp.distribution answeredas of 2026-06-04
GBIF occurrence records gbif.occurrences answeredas of 2026-10-21this species has no GBIF key of its own; its records are read under GBIF's keys for the names Kew's file holds as this plant, never by a name matched; GBIF occurrence download https://doi.org/10.15468/dl.hbdw64, of 2026-10-21; 318 records of GBIF's key 3172151, Besseya wyomingensis (A.Nelson) Rydb. (Kew's file holds it as Besseya wyomingensis (A.Nelson) Rydb. (synonym under Veronica wyomingensis (A.Nelson) M.M.Mart.Ort. & Albach)): the GBIF download; 1108 records of GBIF's key 3724139, Veronica wyomingensis (A.Nelson) M.M.Mart.Ort. & Albach (Kew's file holds it as Veronica wyomingensis (A.Nelson) M.M.Mart.Ort. & Albach (accepted)): the GBIF download; 1 record of GBIF's key 3742000, Wulfenia wyomingensis A.Nelson (Kew's file holds it as Wulfenia wyomingensis A.Nelson (synonym under Veronica wyomingensis (A.Nelson) M.M.Mart.Ort. & Albach)): the GBIF download; 1 record within 1 km of a botanic garden, herbarium or zoo left out (1 at a botanic garden or arboretum; Wikidata's list)
Habitat climate climate answeredasked 2026-10-22
Daily extremes (NASA POWER) climate.extremes answeredasked 2026-10-22NASA POWER (MERRA-2) daily 1981–2024, cell 49.00_-113.750, lapse-corrected +109 m at 6.5 °C/km
Wikidata wikidata answeredasked 2026-10-22found by Kew's IPNI identifier 77061994-1, POWO 77061994-1
Wikipedia wikipedia nothing to reportasked 2026-10-22
iNaturalist photographs, wild inat.photos.wild not asked
iNaturalist photographs, cultivated inat.photos.cultivated not asked
GBIF media gbif.media not askedGBIF's backbone holds no one accepted species of this name, and a name it holds only as another species' synonym is not taken for this one, so GBIF's records were not asked
Wikimedia Commons commons answeredasked 2026-10-22
OpenAlex papers openalex not askednot yet asked for this reference; a later fill takes the papers from OpenAlex's snapshot

Every source is recorded as having answered, reported nothing, refused, failed, not been asked, or answered twice where one answer is taken (“not taken: two items answered”), and, for a source asked when this page was built, when: the figures are as the source held them that day; a source read from a file (Kew's World Checklist, a GBIF download) says "as of" the file's day instead; a row carried from an earlier build of the page names that build instead. Only “nothing to report” is ever shown as an absence. Records came from 43 datasets via GBIF.org; each carries its own licence.

Cultifolio

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