Species Details

Meesia triquetra

three-ranked hump moss

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Photo of Meesia triquetra
Steve Matson 2008
Photo of Meesia triquetra
Steve Matson 2008
Photo of Meesia triquetra
Steve Matson 2008
Scientific Name:
Meesia triquetra (Richt.) Angstr.
Common Name:
three-ranked hump moss
Family: Meesiaceae
Element Code: NBMUS4L020
USDA Plants Symbol: METR70
Synonyms/Other Names:
CA Rare Plant Rank: 4.2
Fed List: None
State List: None
Global Rank: G5
State Rank:
Other Status:
CRPR Changes:
changed from 2.2 to 4.2 on 2006-12-27
Add Date: 2001-01-01
Date Edited: 2021-06-03
Lifeform: moss
Blooming Period: Jul
1300 - 2953 meters
4265 - 9690 feet
General Habitats:
  • Bogs and fens
  • Meadows and seeps
  • Subalpine coniferous forest
  • Upper montane coniferous forest (mesic)
Microhabitat Details: soil
Need quads for LAS Co. Infrequently encountered in CA. Possibly threatened by intensive grazing, trampling, logging, alteration of fire regimes, foot traffic, vehicles, and hydrological alterations.
Threat List Total: 5
Total EOs % of EOs
EOs with Threat Listed: 8 42 %
Grazing 7 36%
Logging 1 5%
ORV activity 1 5%
Other 1 5%
Foot traffic/trampling 1 5%
Total Occurrences: 19
Element Occurrence Ranks:
6 3 1 1 0 8
Occurrence Status:
Historical >20 Years 8
Recent <=20 Years 11
Presumed Extant 19
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Michigan (MI), Montana (MT), Nevada (NV), New York (NY), Oregon (OR), Vermont (VT), Washington (WA), Wisconsin (WI)
California Counties and Islands: Name (Code)
Alpine (ALP), Butte (BUT), El Dorado (ELD), Fresno (FRE), Humboldt (HUM), Lassen (LAS), Madera (MAD), Mariposa (MPA), Modoc (MOD), Nevada (NEV), Placer (PLA), Plumas (PLU), Riverside (RIV), Shasta (SHA), Sierra (SIE), Siskiyou (SIS), Solano (SOL), Tehama (TEH), Tulare (TUL)
Quads: Name (Quad Code)
Mt. Rose (3911938), Balloon Dome (3711942), Belden (4012113), Bogard Buttes (4012152), Bridgeville (4012347), Bucks Lake (3912182), Caples Lake (3812061), Cascadel Point (3711924), Childs Meadows (4012134), City of Mount Shasta (4112233), Clio (3912065), Denverton (3812128), Dinkey Creek (3711912), Dogtooth Peak (3711921), Dogwood Peak (3912171), Echo Lake (3812071), Emerald Bay (3812081), English Mtn. (3912045), Freel Peak (3811978), Gold Lake (3912066), Graniteville (3912046), Grays Peak (4012146), Half Dome (3711965), Hobart Mills (3912042), Humboldt Peak (4012124), Humbug Valley (4012123), Independence Lake (3912043), Jess Valley (4112023), Jonesville (4012114), Kyburz (3812073), Larabee Valley (4012346), Lassen Peak (4012145), Little Shuteye Peak (3711944), Lodgepole (3611856), Meadow Valley (3912181), Medicine Lake (4112155), Meeks Bay (3912011), Mt. Givens (3711931), Mt. Harkness (4012143), Mt. Silliman (3611866), Musick Mtn. (3711923), Nelson Mtn. (3711911), Onion Butte (4012125), Panther Rock (4112272), Patterson Mtn. (3611981), Pondosa (4112126), Red Cinder (4012142), Rough Spur (3611888), Royal Gorge (3912024), San Jacinto Peak (3311676), Secret Spring Mtn. (4112282), Shuteye Peak (3711934), Sing Peak (3711954), Skunk Ridge (4112117), Sonora Pass (3811936), South Lake Tahoe (3811988), Sugar Hill (4112073), Tennant (4112158), White Chief Mtn. (3711945)
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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