Crypsis (genus) explained

Crypsis is a genus of African and Eurasian plants in the grass family, sometimes referred to as pricklegrass.^{[1] [2] [3] [4]} These are annual grasses with short leaves. A few species are invasive weeds outside their native ranges.^{[5] [6] [7]}

Taxonomy

Accepted species

The following species belong in the genus Crypsis, according to contemporary taxonomic treatments:^{[8] [9] [10]}

• Crypsis aculeata – from Portugal and Mauritania to Korea
• Crypsis acuminata – from Turkey to Kazakhstan
• Crypsis alopecuroides – from Portugal and Morocco to Korea; introduced in western North America (British Columbia + western USA)
• Crypsis factorovskyi – Caucasus, Turkey, Cyprus, Syria, Lebanon, Palestine, Jordan
• Crypsis hadjikyriakou – Cyprus
• Crypsis minuartioides – Sharon Plain in northwestern Israel
• Crypsis schoenoides – from Britain to China + Pakistan + Mozambique; introduced in North America (western USA, Great Lakes region, Baja California)
• Crypsis turkestanica – Central Asia, Caucasus, western Siberia, southern European Russia
• Crypsis vaginiflora – Africa; Middle East, India, Pakistan; introduced in North America (Idaho, Oregon, California, Baja California)

Former species

The following species were formerly included in the genus Crypsis, but have since been combined into other genera (Muhlenbergia, Munroa, Phleum, Rhizocephalus, Sporobolus, Urochondra):^[8]

• Crypsis arenaria – Phleum arenarium
• Crypsis dura – Urochondra setulosa
• Crypsis juncea – Sporobolus junceus
• Crypsis macroura – Muhlenbergia macroura
• Crypsis maritima – Sporobolus virginicus
• Crypsis myosurus – Sporobolus spicatus
• Crypsis phleoides – Muhlenbergia angustata
• Crypsis pygmaea – Rhizocephalus orientalis
• Crypsis setifolia – Muhlenbergia macroura
• Crypsis setulosa – Urochondra setulosa
• Crypsis squarrosa – Munroa squarrosa
• Crypsis stricta – Muhlenbergia angustata
• Crypsis virginica – Sporobolus virginicus

Notes and References

1. https://www.biodiversitylibrary.org/page/3649808#page/78/mode/1up Aiton, William. 1789. Hortus Kewensis, or, A catalogue of the plants cultivated in the Royal Botanic Garden at Kew 1: 48
2. http://www.tropicos.org/Name/40017211 Tropicos, Crypsis Aiton
3. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=108491 Flora of China Vol. 22 Page 485 隐花草属 yin hua cao shu Crypsis Aiton, Hort. Kew. 1: 48. 1789.
4. http://luirig.altervista.org/flora/taxa/floraspecie.php?genere=crypsis Altervista Flora Italiana, genere Crypsis
5. http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?8738,8914 Jepson Manual Treatment
6. http://plants.usda.gov/java/profile?symbol=CRYPS USDA Plants Profile
7. Hammel, B. E. & J. R. Reeder. 1979. The genus Crypsis (Gramineae) in the United States. Systematic Botany 4(4): 267–280
8. http://apps.kew.org/wcsp/namedetail.do?name_id=451310 Kew World Checklist of Selected Plant Families
9. http://www.theplantlist.org/tpl1.1/search?q=Crypsis The Plant List search for Crypsis
10. http://bonap.net/NAPA/TaxonMaps/Genus/County/Crypsis Biota of North America Program 2013 county distribution maps