Solidago rigida
Species of flowering plant
From Wikipedia, the free encyclopedia
Solidago rigida, known by the common names stiff goldenrod and stiff-leaved goldenrod, is a North American plant species in the family Asteraceae. It has a widespread distribution in Canada and the United States, where it is found primarily east of the Rocky Mountains.[2] It is typically found in open, dry areas associated with calcareous or sandy soil. Habitats include prairies, savannas, and glades.[3]
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| Solidago rigida | |
|---|---|
| |
| S. rigida subsp. humilis | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Solidago |
| Section: | S. sect. Ptarmicoidei |
| Species: | S. rigida |
| Binomial name | |
| Solidago rigida L. 1753 | |
| Synonyms[1] | |
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Synonymy
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Description
Galls
This species is host to the following insect induced galls:
- Asphondylia s-rigida-bud-rosette-gall
- Asteromyia carbonifera (Osten Sacken, 1862)
- Gnorimoschema gibsoniella Busck, 1915
- Calycomyza solidaginis Kaltenbach, 1869[4]
Subspecies
- Solidago rigida subsp. glabrata (E.L.Braun) S.B.Heard & Semple – southeastern + south-central U.S.
- Solidago rigida subsp. humilis (Porter) S.B.Heard & Semple – central + western Canada, central + western United States as far west as the Rocky Mountains
- Solidago rigida subsp. rigida – Ontario, central + eastern U.S.
Subspecies glabrata has hairless outer phyllaries, and a less pubescent stem and leaves
Conservation
This species is considered by NatureServe to be globally "secure" (G5), which is the lowest level of conservation concern assigned.[5] However, it is known to be rare on the local level, due to its declining grassland habitat. It is listed as endangered in Connecticut,[6] New Jersey and Pennsylvania. It is listed as endangered and extirpated in Maryland, as threatened in New York, and as historical in Rhode Island.[7]