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- Title
Conocephalum salebrosum (Marchantiopsida, Conocephalaceae) – a new Holarctic liverwort species.
- Authors
Szweykowski, J.; Buczkowska, K.; Odrzykoski, I.
- Abstract
Detailed analysis of 270 specimens of Conocephalum conicum (L.) Dumort., mainly from the POZW Herbarium revealed some diagnostic differences between two cryptic species originally detected on the basis of isozyme studies. Several diagnostic characters were found in the structure of the archegoniophore, sporophyte and sterile thallus. The most reliable diagnostic features are size and structure of stomatal apparatus of the archegoniophore ‘heads’, type of junction of the air chamber walls with epidermal cells, and the thallus surface details. On the basis of morphological and anatomical diagnostic characters, two formerly cryptic species are recognized following the rules of formal taxonomy. The lectotype of C. conicum preserved in FI was found to possess characteristics of cryptic species C. conicum- species L. Accordingly, the species previously named as C. conicum–species L must bear the name Conocephalum conicum (L.) Dumort. No published name was related to C. conicum – species S, which is therefore described as a new species: Conocephalum salebrosum Szweykowski, Buczkowska & Odrzykoski. Both species are fully described and their diagnostic characters are illustrated. Distribution maps for both species are given.
- Subjects
BRYOPHYTES; LIVERWORTS; DIAGNOSIS; ANIMAL coloration; CRYPTOGAMS; ARCHEGONIATAE; ANIMAL classification
- Publication
Plant Systematics & Evolution, 2005, Vol 253, Issue 1-4, p133
- ISSN
0378-2697
- Publication type
Article
- DOI
10.1007/s00606-005-0301-0