Taxon Details
Aphyllon validum ssp. validum
Rock Creek broomrape
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© 1999 Alison Colwell |
© 1999 Alison Colwell |
© 2011 Caesara Brungraber |
Taxon Summary:
Aphyllon validum ssp. validum, commonly known as Rock Creek broomrape, is a perennial herb (parasitic) in the Orobanchaceae that is found only in California. It occurs within Chaparral, and Pinyon and juniper woodland, growing at elevations from 1030 to 2000 meters. Aphyllon validum ssp. validum is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Aphyllon validum (Jeps.) A.C. Schneid. ssp. validum |
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Common Name: Rock Creek broomrape |
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| Family: | Orobanchaceae | |
| Element Code: | PDORO040G2 | |
| USDA Plants Symbol: | ORVAV | |
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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: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G4T2 |
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State Rank: |
S2 |
| Other Status: | SB_CalBG/RSABG; USFS_S |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2023-05-02 |
| Lifeform: perennial herb (parasitic) | ||||||||||||||
Blooming Period: May-Sep
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Elevation:
1030 - 2000 meters 3380 - 6560 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Possibly threatened by non-native plants, trail maintenance, and recreational activities. Parasitic on various chaparral shrubs. Angeles NF has adopted species management guidelines. See Madroño 1(17):255-256 (1929) for original description, Fremontia 11(1):16-18 (1983) for discussion of rediscovery (1979), and Madroño 29(2):95-100 (1982) for taxonomic treatment. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 5 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 6 | 50 % |
| THREAT LIST: | ||
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| Road/trail construction/maint. | 5 | 41% |
| Foot traffic/trampling | 2 | 16% |
| Recreational use (non-ORV) | 2 | 16% |
| Erosion/runoff | 1 | 8% |
| Non-native plant impacts | 1 | 8% |
| Total Occurrences: | 12 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 3 | 2 | 0 | 0 | 0 | 7 |
| Occurrence Status: | |||||
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| Historical >20 Years | 9 | ||||
| Recent <=20 Years | 3 | ||||
| Presence: | |||||
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| Presumed Extant | 12 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Los Angeles (LAX), San Bernardino (SBD), Ventura (VEN) |
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Quads: Name (Quad Code) Azusa (3411728), Chilao Flat (3411831), Crystal Lake (3411737), Mt. Baldy (3411726), Telegraph Peak (3411735), Topatopa Mountains (3411951), Valyermo (3411747) |
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Notes:
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Presumed Extant
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