CPC Plant Profile: Goat Hill Chickweed
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Plant Profile

Goat Hill Chickweed (Cerastium velutinum var. villosissimum)

This picture is a closeup of prairie chickweed, showing leaves and one blossom. Photo Credit: Greg Wieland
Description
  • Global Rank: T1 - Critically Imperiled
  • Legal Status: N/A
  • Family: Caryophyllaceae
  • State: PA

We know almost nothing about this rare variety of Cerastium arvense, or prairie chickweed. Kartesz (1999) recognizes five subspecies of Cerastium arvense, and between them all they are located in nearly every state in the United States, including Alaska, as well as nearly every province in Canada, as well as in Greenland. So what could possibly be rare about a species that is so widespread One of the recognized subspecies (ssp. maximum) occurs only in California and Oregon, while the variety the Center for Plant Conservation is concerned about (var. villosum, or var. villosissimum) is endemic to a single occurrence in Pennsylvania. Very little is known about this taxon, other than the fact that it was collected in 1920 by F. Pennell at a location in Chester county, Pennsylvania. (NYBG 2002; Pennell 1950). Research and Management Summary: A few scientists have isolated biological compounds from Cerastium arvense. Plant Description: The species Cerastium arvense is a hardy perennial that can be found in cold and temperate regions of both the northern and southern hemispheres. This particular variety produces 5-petaled flowers that are white and about 3/8 of an inch wide. Plants can grow to a foot tall, and are found growing individually or in mats up to several yards wide.

Conservation Actions:
Participating Institutions
Photos
Nomenclature
Taxon Cerastium velutinum var. villosissimum
Authority (Pennell) J.K. Morton
Family Caryophyllaceae
CPC Number 868
ITIS 823695
USDA CEARV6
Common Names Goat Hill chickweed | long-hairy field chickweed | Octoraro Creek chickweed | field chickweed
Associated Scientific Names Cerastium arvense var. villosissimum | Cerastium velutinum var. villosissimum
Distribution The species Cerastium arvense is found nearly throughout North America. Cerastium arvense var. villosissimum is endemic to a single occurrence in Pennsylvania. (Kartesz 1999)
State Rank
State State Rank
Pennsylvania SNR
Habitat

Rocky cliffs, grassy openings on serpentine barrens. (Taken from type specimen info. located at NYBG herbarium, (NYBG 2002))

Ecological Relationships

Cattle do not graze on this species. Based on research on close relatives, this species may be dependent upon small-scale disturbances by other organisms in order to successfully compete within a community (Dean et al. 1997). Flowers May through August (Rhoades 2000)

Updates

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Pollinators
Common Name Name in Text Association Type Source
Bees
Mining bees Andrena alleghaniensis Floral Visitor Link
Mining bees Andrena cressonii Floral Visitor Link
Mining bees Andrena erigeniae Floral Visitor Link
Mining bees Andrena forbesii Floral Visitor Link
Mining bees Andrena nasonii Floral Visitor Link
Mining bees Andrena perplexa Floral Visitor Link
Mining bees Andrena personata Floral Visitor Link
Mining bees Andrena vicina Floral Visitor Link
Sweat bees Lasioglossum versatum Floral Visitor Link
Centris bees Ceratina strenua Floral Visitor Link
Cuckoo bees Nomada denticulata Floral Visitor Link
Cuckoo bees Nomada Floral Visitor Link
Cuckoo bees Nomada Floral Visitor Link
Leaf-cutting bees Osmia atriventris Floral Visitor Link
Leaf-cutting bees Osmia pumila Floral Visitor Link
Bees Confirmed Pollinator Link
Butterflies & Moths
Hairstreaks Callophrys augustinus Floral Visitor Link
Hairstreaks Callophrys mossii schryveri Floral Visitor Link
Hairstreaks Callophrys sheridanii Floral Visitor Link
Azures Celastrina humulus hop-ecotype Floral Visitor Link
Azures Celastrina lucia sidara Floral Visitor Link
Brush-footed butterflies Chlosyne gorgone Floral Visitor Link
Brush-footed butterflies Coenonympla tullia Floral Visitor Link
Blues Cupido amyntula Floral Visitor Link
Brush-footed butterflies Erebia epipsodea Floral Visitor Link
Skippers Erynnis brizo Floral Visitor Link
Skippers Erynnis icelus Floral Visitor Link
Skippers Erynnis martialis Floral Visitor Link
Skippers Erynnis pacuvius Floral Visitor Link
Skippers Erynnis persius Floral Visitor Link
Skippers Erynnis telemachus Floral Visitor Link
Whites Euchloe ausonides Floral Visitor Link
Whites Euchloe olympia Floral Visitor Link
Brush-footed butterflies Euphydryas anicia capella Floral Visitor Link
Blues Glaucopsyche lygdamus Floral Visitor Link
Sulphurs Nathalis iole Floral Visitor Link
Skippers Oarisma garita Floral Visitor Link
Skippers Ochlodes sylvanoides Floral Visitor Link
Brush-footed butterflies Phyciodes pulchella camillus Floral Visitor Link
Blues Plebejus alupini lutzi Floral Visitor Link
Blues Plebejus glandon (? tiny leaves) Floral Visitor Link
Whites Pontia sisymbrii Floral Visitor Link
Flies
Bee flies Bombyliids Confirmed Pollinator Link
Other
Insects Suspected Pollinator Floral Link

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