Taxon Details
Howellia aquatilis
water howellia
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©2018 John Doyen |
©2018 John Doyen |
©2018 John Doyen |
Taxon Summary:
Howellia aquatilis, commonly known as water howellia, is a annual herb (aquatic) in the Campanulaceae that is found in California and elsewhere. It occurs within Marshes and swamps, growing at elevations from 1085 to 1290 meters. Howellia aquatilis is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.|
Scientific Name: Howellia aquatilis Gray |
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Common Name: water howellia |
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| Family: | Campanulaceae | |
| Element Code: | PDCAM0A010 | |
| USDA Plants Symbol: | HOAQ | |
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 2B.2 |
| Fed List: | FD (2021-07-16) |
| State List: | None |
| Global Rank: | G3 |
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State Rank: |
S2 |
| Other Status: | |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2023-06-06 |
| Lifeform: annual herb (aquatic) | ||||||||||||||
Blooming Period: Jun
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Elevation:
1085 - 1290 meters 3560 - 4230 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Federally listed as threatened on 1994-08-15; Delisted due to Recovery on 2021-07-16. Rediscovered in CA in 1996 by D. Isle and D. Efseaff. Previously known in CA from only a single collection near Howard Lake in 1928; where possibly extirpated by cattle grazing and trampling. Endangered in ID and OR, and state-listed as Threatened in WA. |
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Threats: Threatened by hydrological alteration, grazing, and trampling. |
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Taxonomy: Inadvertently omitted from The Jepson Manual. |
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| Threat List Total: | 3 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 3 | 43 % |
| THREAT LIST: | ||
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| Foot traffic/trampling | 1 | 14% |
| Non-native plant impacts | 1 | 14% |
| Other | 1 | 14% |
| Total Occurrences: | 7 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 2 | 2 | 1 | 0 | 0 | 2 |
| Occurrence Status: | |||||
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| Historical >20 Years | 1 | ||||
| Recent <=20 Years | 6 | ||||
| Presence: | |||||
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| Presumed Extant | 7 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA), Idaho (ID), Montana (MT), Oregon (OR)*, Washington (WA) |
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California Counties and Islands: Name (Code) Humboldt (HUM), Mendocino (MEN), Trinity (TRI) |
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Quads: Name (Quad Code) Alderpoint (4012325), Black Lassic (4012335), Buck Rock (3912288), Fort Seward (4012326), Leech Lake Mtn. (3912381) |
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Notes:
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Presumed Extant
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